Wiktionary:Todo/phrases not linked to from components/b
- Hesperus: wreck of the Hesperus
- Hesse: Hesse-Kassel
- High: Most High, Old High German, Middle High German, Mile High Club, New High German, Early New High German, High German, High Mass, High Street
- Highlands: Bohemian-Moravian Highlands
- Highness: Your Highness, His Royal Highness, Her Royal Highness
- Highway: Karakoram Highway, Highway Code
- Hilbert: Hilbert space
- Hill: Ludgate Hill, what the Sam Hill, Tukeit Hill frog, Boot Hill, Chapel Hill, Mission Hill, Blue Hill
- Himalayan: Himalayan cat, Himalayan field rat, Himalayan striped squirrel, Himalayan shrew, Himalayan marmot, Himalayan griffon vulture
- Hindi: Fijian Hindi
- Hindu: Hindu Kush
- Hippocratic: Hippocratic oath
- His: His Majesty, His Maj, His Holiness, His Royal Highness, His Imperial Majesty, bundle of His
- Hispanic: Luso-Hispanic
- Hitlers: little Hitlers
- Ho: Ho Chi Minh City, Ho Chi Minh
- Hold: Hold 'em
- Holiday: Bank Holiday
- Holiness: His Holiness
- Holland: North Holland Blue
- Hollywood: Hollywood Irish, Hollywood North, Hollywood endings, Hollywood ending, Hollywood science
- Holmes: Mycroft Holmes
- Holy: Holy Spirit, Holy Ghost, Holy Grail, Holy Bread, Holy Land, Holy Communion, Holy Writ, Holy Father, Holy Roman Empire, Holy Week, Holy Saturday, Holy Roller, Holy Thursday, Holy of Holies, Holy Wednesday, Holy Alliance, Holy Book, Song of the Three Holy Children, Holy See
- Home: Home Depot, Home Secretary, Home Office, Home Information Pack, Home Counties
- Honest: Honest Abe
- Honor: your Honor
- Hood: Little Red Riding Hood, Robin Hood
- Hook: Captain Hook
- Hooray: Hooray Henry
- Hope: Cape of Good Hope
- Hopkins: Johns Hopkins
- Horde: Golden Horde
- Horn: around the Horn, round the Horn, Cape Horn, Horn of Africa
- House: House of Lords, House of Commons, Parliament House, White House, Clarence House, House of Parliament
- Houses: Houses of Parliament
- Hout: Hout Bay
- Howe: Jacky Howe
- Hudson: Hudson River, Hudson Bay
- Hull: Kingston upon Hull
- Hum: Van der Hum
- Human: Universal Declaration of Human Rights, Human Genome Project, Human Resource Management, Voluntary Human Extinction Movement
- Hun: Attila the Hun
- Hungary: Austria-Hungary
- Hunt: Belvoir Hunt, Wild Hunt
- Hut: Pizza Hut
- Hyde: Jekyll and Hyde, Mr Hyde
- I: I love you, I think so, World War I, I don't think so, I and I, I and I, I Ching, I don't think, there's no I in team, I wish, I tell a lie, I-spin, I don't know, I haven't the foggiest, I don't understand, codehydrogenase I, coenzyme I, I want to know, I never did, well, I never, I hate you, euasterids I, eurosids I, how do I get to Carnegie Hall, I-10, I could eat a horse, I like pie, I spy, there but for the grace of God go I, what do I know, I approve this message, I came, I saw, I conquered, I came, I saw, I conquered, I came, I saw, I conquered, I know you are but what am I, I know you are but what am I, I say, I think therefore I am, I think therefore I am, don't do anything I wouldn't do, I knew someone when, I-frames, I told you so, I-frame, I should cocoa, I should coco
- I'd: I'd like to know
- I'll: I'll be a monkey's uncle, you scratch my back and I'll scratch yours, I'll drink to that, I'll be, I'll see your X and raise you Y, I'll say
- I'm: I'm fine, thank you, I'm afraid not, I'm afraid so, now that's what I'm talking about, I'm in love with you, Sell my clothes, I'm going to heaven, I'm all right, Jack
- I/O: I/O bound
- IBM: IBM Pollyanna Principle, IBM PC
- IC: 2-IC
- ICU: CV ICU
- ID: ID hologram
- II: World War II, coenzyme II, codehydrogenase II, eurosids II, euasterids II, MRP II
- III: World War III, S. of III Ch.
- IP: IP address, IP SAN, dynamic IP addressing, dynamic IP address, IP tracker, IP trackers, IP addresses, IP in IP, IP in IP
- ISO: ISO 216
- IV: DSM-IV
- Iberian: Iberian lynx, Iberian Peninsula, Celt-Iberian
- Iberians: Celt-Iberians
- Idea: Idea virus
- Idiom: Idiom Neutral
- Immelmann: Immelmann maneuver
- Imperial: His Imperial Majesty
- Ina: Ina Bauer, Ina Bauers
- Independence: UK Independence Party, Independence Day, Independence Party
- India: India Pale Ale, British East India Company, India Pale Ales, India ink, India rubber, South India
- Indian: Indian summer, Red Indian, American Indian, Indian red, Anglo-Indian, Indian ink, British Indian Ocean Territory, Indian corn, Indian Game, Indian fig, Indian mulberry, Indian sunburns, Indian figs, Mission Indian, East Indian, Indian summers, Indian paintbrush, Indian pangolin, Indian poker, Indian giver, Indian burn, Indian Union Muslim League, Urban Indian
- Indians: Mission Indians, West Indians, American Indians, East Indians
- Indies: Dutch West Indies
- Indo: Proto-Indo-European, Indo-Iranian, Indo-European root, Indo-Pak, Indo-European roots, Indo-China, Proto-Indo-Iranian, Indo-Aryan, Indo-Germanic, Indo-Europeans
- Indochina: French Indochina
- Information: American Standard Code for Information Interchange, Home Information Pack, Information exchanges
- Ingush: Chechen-Ingush Autonomous Oblast
- Initiative: Strategic Defense Initiative
- Inland: Inland Sea
- Intelligence: Financial Intelligence Units, Financial Intelligence Unit
- Interface: Small Computer Systems Interface
- Intermud: Intermud-3
- International: International Phonetic Alphabet, International Phonetic Association, International System of Units, International Date Line, International Telecommunication Union, International Cricket Council, International Monetary Fund, One-day International, International Auxiliary Language Association, International Load Line, International Load Lines
- Internet: Internet cafe, Internet Protocol, Internet predator, Internet Explorer, Internet Personality, Internet address, Internet addresses, Internet café, Internet forums, Internet forum, Internet-block, Internet-based, Internet cafés, Internet cafes
- Iranian: Indo-Iranian, Iranian Azerbaijan, Proto-Indo-Iranian
- Ireland: New Ireland, United Kingdom of Great Britain and Northern Ireland
- Irene: goodnight Irene
- Irish: Hollywood Irish, Irish Gaelic, Irish Sea, Irish confetti, Northern Irish, drive Irish tandem, Irish Republican Army, Irish twin, Irish twins, Irish pennant, Irish moss, Mediterranean Irish, Irish Moss, Irish hobby
- Irishman: Mediterranean Irishman
- Iron: Iron Curtain, Iron Age
- Ishikawa: Ishikawa diagram
- Islam: Nation of Islam
- Islamic: Islamic fundamentalism, Islamic fascist, Islamic Republic of Mauritania
- Island: Prince Edward Island, Norfolk Island, Malta Island, Barents Island, Edge Island, White Island, Big Island, Channel Island fox, Bouvet Island, Rhode Island, Heard Island and McDonald Islands, North Island, South Island, Staten Island, Long Island iced tea, Christmas Island, Channel Island milk, Coney Island whitefish, Cape Breton Island, Rhode Island Red, Foulness Island, Long Island, George's Island, Ascension Island, Easter Island, Ionian Island, Strong Island, Manoel Island, Coney Island, Ross Island, North Island brown kiwi, Channel Island foxes
- Islander: Norfolk Islander, Northern Mariana Islander, British Virgin Islander, Falkland Islander, Cocos Islander, Christmas Islander, Cook Islander, Virgin Islander, Rhode Islander, Pacific Islander, Marshall Islander, Solomon Islander
- Islanders: Prince Edward Islanders, Solomon Islanders
- Islands: Falkland Islands, British Virgin Islands, Svalbard and Jan Mayen Islands, Solomon Islands, Channel Islands, Faroe Islands, Andaman and Nicobar Islands, Cook Islands, US Virgin Islands, Maltese Islands, Lipari Islands, Aegadian Islands, Aeolian Islands, Andaman Islands, Shetland Islands, Pelagian Islands, Orkney Islands, Ionian Islands, Scilly Islands, Midway Islands, Pitcairn Islands, Heard Island and McDonald Islands, South Shetland Islands, West Frisian Islands, Canary Islands, Society Islands, Balearic Islands, Aleutian Islands, Sandwich Islands, Windward Islands, Leeward Islands, Virgin Islands, United States Virgin Islands, Cook Islands Maori, Galápagos Islands, Riau Islands, Chatham Islands Penguin, Northern Mariana Islands, Friendly Islands, South Georgia and the South Sandwich Islands, Kuril Islands, Marshall Islands, Turks and Caicos Islands, Cayman Islands
- Isle: Isle of Man, Isle of Sheppey, Isle of Wight, Apple Isle, Emerald Isle
- Isthmus: Isthmus Zapotec, Isthmus-Mecayapan Nahuatl
- It: It girl, It boy, gin-and-It, It girls
- Italian: Italian grip, Italian sonnet
- Ivory: Ivory Coast
- Ivy: Ivy League
- J: vitamin J, J stroke
- Jack: Spring Heeled Jack, Jack Russell terrier, all work and no play makes Jack a dull boy, Jack O'Lantern, Jack O'Lanterns, Cracker Jack, Jack Russell terriers, I'm all right, Jack, Jack in the pulpit, before you can say Jack Robinson
- Jacks: Cracker Jacks
- Jackson: Jackson Pollocked
- Jacksonian: Jacksonian seizures
- Jacky: Jacky Howe, Jacky Hanger, Jacky Hangman, Jacky Hangmen, Jacky Hangers
- Jaffa: Tel Aviv-Jaffa, Jaffa cake, Jaffa oranges
- Jakob: Creutzfeldt-Jakob disease
- James: James Bond, King James Bible, Jesse James, King James Version
- Jan: Svalbard and Jan Mayen Islands, Jan Mayen
- Jane: Jane Crow, Jane Doe, Mary Jane, Salvation Jane, Jane Sixpack
- Janeiro: Rio de Janeiro
- January: slow as molasses in January
- Japan: Japan-only, Japan Standard Time, made in Japan, Japan Socialist Party
- Japanese: Japanese knotweed, Japanese bunching onion, Japanese yew, Classical Japanese, Japanese Giant Salamander, Russo-Japanese, Sino-Japanese, Japanese encephalitis, Japanese Bobtail, non-Japanese, Japanese food, Japanese cuisine, Japanese lantern, Japanese bunching onions
- Jargon: Chinook Jargon
- Java: Java stored procedure, Java Sea, West Java, Central Java, East Java, Java man
- Javanese: Javanese cat
- Jeanne: Marie Jeanne
- Jeff: Mutton Jeff, Mutt-and-Jeff
- Jefferson: Jefferson City
- Jenkins: Leeroy Jenkins
- Jensen: Lowenstein-Jensen medium
- Jersey: Jersey girl, Jersey girls, New Jersey Plan, Jersey Legal French
- Jerusalem: Jerusalem artichoke, Temple in Jerusalem
- Jesse: Jesse James, Jesse Tree
- Jesus: Jesus jammies, Society of Jesus, Church of Jesus Christ of Latter-day Saints, Jesus H. Christ, Wisdom of Jesus son of Sirach, Jesus Prayer, East Jesus, Jesus fish, what would Jesus do, jumping Jesus, Jesus freaks
- Jew: Jew by choice, Hassidic Jew, Orthodox Jew, Jew down
- Jewed: Jewed down
- Jewing: Jewing down
- Jewish: Jewish calendar, Jewish supremacy, Jewish Autonomous Oblast, Jewish tax
- Jews: secular Jews, Jews down, Hassidic Jews
- Jim: Jim Crow, Jim Crow law, sonny Jim
- Joe: Joe Bloggs, Joe Six-pack
- John: John Hancock, who shot John, John Law, John-a-dreams
- Johnny: Johnny Reb, Johnny-come-lately, Johnny-come-latelies, Johnny Moss, Johnny-jump-up, Johnny Canuck, Johnny-jump-ups
- Johns: Johns Hopkins
- Johnson: Johnson solid
- Joint: Joint Academic Network
- Jolly: Jolly Roger, Jolly Rogers
- Jonas: cuff Jonas
- Jonny: Jonny-come-lately
- Joshua: Joshua tree
- Jovian: Jovian planet
- João: João Pessoa
- Juan: Don Juan, San Juan Bautista
- Judas: Judas goat, Judas Priest, Judas tree
- Julian: Julian date
- Juliet: Romeo and Juliet couple
- Julius: Pope Julius
- July: 4th of July, born on the Fourth of July
- Junior: Junior Circuit
- Jupiter: hot Jupiter
- Justice: Uniform Code of Military Justice, Justice of the Peace
- K: Special K, vitamin K, K-12, K-hed, K-T extinction event, K-T boundary, K-9 unit, acesulfame K, K-2, K-1, K-4, K ration, K-9
- K1: vitamin K1
- K2: vitamin K2
- Kala: Kala Lagaw Ya
- Kama: Kama Sutra
- Kanaka: bush-Kanaka
- Karakoram: Karakoram Highway
- Karelian: Karelian pasty
- Kashmir: Jammu and Kashmir
- Kassel: Hesse-Kassel
- Kata: Kata Tjuta
- Kazakh: Kazakh SSR
- Ke: Marti Ke, Magati Ke
- Keith: Keith numbers, Keith number
- Kelvin: degree Kelvin
- Kendal: Kendal green
- Kent: Clark Kent
- Kenzie: Mac Kenzie
- Kernow: Mebyon Kernow
- Ketch: Jack Ketch
- Kgs.: 1 Kgs., 2 Kgs., 3 Kgs., 4 Kgs.
- Khmer: Khmer script, Central Khmer, Khmer numeral
- Kievan: Kievan Russia
- Kilimanjaro: Mount Kilimanjaro
- King: King Charles Land, King Arthur, King James Bible, King Kong, Good King Henry, King Billy, Homecoming King, King Cotton, King of Kings, King Charles spaniel, King James Version, King Charles's head, King Charles' head, God Save the King, King Charles spaniels
- Kingdom: United Kingdom, Kingdom of Yemen, Kingdom Hall, Middle Kingdom, Kingdom County, Kingdom of Heaven, United Kingdom of Great Britain and Northern Ireland
- Kings: King of Kings
- Kingston: Kingston upon Hull
- Kintyre: Mull of Kintyre rule, Mull of Kintyre test
- Kirk: Captain Kirk
- Klan: Ku Klux Klan
- Klein: Klein bottle, Klein bottles, Kaluza-Klein theory, Kaluza-Klein theories
- Knight: Knight Bachelor, Knight Batchelor
- Know: You-Know-Who
- Knox: Fort Knox
- Komodo: Komodo dragons
- Kong: Hong Kong
- Korean: South Korean, North Korean, Revised Romanization of Korean, Korean English, Korean wave, Middle Korean, Korean War, Sino-Korean
- Kota: Kota Bharu, Kota Kinabalu
- Krebs: Krebs cycle
- Kriol: Belizean Kriol
- Kris: Kris Kringle
- Krishna: Hare Krishna
- Ku: Ku Klux Klan
- Kuiper: Kuiper Belt Object
- Kurdistan: Red Kurdistan, Kurdistan Autonomous Oblast
- Kyrgyz: Kyrgyz SSR
- L: L-shaped, Two L, two L, four L, three L, Two-L, two-L, 2 L, L-bomb, one L, L-plate, L-plates
- L.: Pub. L., L. siamica
- LAN: LAN party, LAN parties
- LDS: LDS church, LDS churches
- LED: LED analyser
- LPC: RPE-LPC
- LS: IMPRS-LS
- LSD: LSD-25
- LTD: PTY LTD
- La: La Paz, La Spezia, La-la land, Ark-La-Tex, Pimentón de La Vera, Nathu La, La Niña, La Nina
- Labor: Labor Day
- Labour: New Labour
- Labrador: Labrador Sea
- Lady: Lady Bountiful, Our Lady, Lady Day, Lady Campbell, Lady McLeod, First Lady, Lady Luck
- Lake: Lake Chargoggagoggmanchauggagoggchaubunagungamaugg, Lake District, Lake Agassiz, Great Lake, Salt Lake City, Sebago Lake, Moosehead Lake, Lake Miwok, Lake Peipus, Lake Superior, Lake Ladoga
- Lakes: Great Lakes
- Lama: Dalai Lama, Panchen Lama
- Lamb: Lamb of God
- Lammas: at latter Lammas
- Land: King Charles Land, North East Land, Holy Land, Arnhem Land, Land of the Long White Cloud, Land of the Free, Land of the Leal, Land of Liberty, Land of the Dragon
- Language: American Sign Language, Assembly Language, International Auxiliary Language Association, Maroon Spirit Language
- Lao: Lao People's Democratic Republic, Pathet Lao
- Laotian: Laotian rock rats
- Lapland: Lapland owl
- Large: Large Magellanic Cloud
- Las: Las Vegas
- Last: Last Supper, Last Judgment
- Latin: Medieval Latin, New Latin, Ecclesiastical Latin, Vulgar Latin, Neo Latin, pig Latin, Latin square, law Latin, apothecary's Latin, Late Latin, Biblical Latin, Latin Americans, Anglo-Latin, Low Latin, Latin cross, Old Latin, Early Latin, Latin script, Archaic Latin, Mediaeval Latin
- Latino: Latino sine Flexione, Latino Sine Flexione, Latino-Punic
- Latvian: Latvian SSR
- Laurel: Laurel and Hardy
- Law: John Law, Black Law
- Lawson: Lawson criterion
- Le: Le Chatelier's principle, Le Mans
- Lebanese: Lebanese loop, Lebanese Republic
- Lee: Rosy Lee
- Left: Allemande Left, Christian Left
- Legend: White Legend, Black Legend
- Leghorn: Foghorn Leghorn
- Lenten: Lenten Moon
- Leone: Sierra Leone
- Lesser: Lesser Antilles
- Level: AS Level
- Lewis: Duckworth-Lewis method, Lewis acids, Lewis bases
- Lib: Lib Dem
- Liberal: Liberal Democrats
- Libyan: Libyan Arab Jamahiriya
- Lie: Lie group, Lie algebra, Lie algebras
- Lies: Father of Lies
- Lieutenant: Lieutenant General
- Light: Light Sussex
- Lily: African Lily, Lily of the Valley
- Limited: Public Limited Liability Company
- Lincoln: Lincoln Logs, Lincoln greens
- Line: International Date Line, Mason-Dixon Line, Asymmetric Digital Subscriber Line, International Load Line
- Linear: Linear A, Linear B
- Linnaean: Linnaean nomenclature
- Lion: Nemean Lion, Lion of Judah
- Lisa: Mona Lisa
- Lisp: Common Lisp
- List: Red List
- Lithuanian: Lithuanian SSR
- Little: Little Red Riding Hood, Chicken Little, Little Boy, Little Dipper, Little Englander, Little League, Little Rock, Little Christmas, Little Bighorn, Little Russia
- Liturgy: Divine Liturgy
- Liverpool: Liverpool sound
- Lizzie: Busy Lizzie
- Local: Local Group, Local Bubble, Local Fluff
- Loch: Loch Ness monster, Loch Ness, Loch Lomond
- Loire: Pays de la Loire
- Lolita: Gothic Lolita
- Lombard: Lombard rates
- London: London moment, Greater London, Tower of London, London Underground, London weighting
- Lone: Lone Ranger
- Long: Long Island iced tea, Land of the Long White Cloud, Long Island, He Long
- Loop: The Loop
- Lopez: Ruy Lopez
- Lord: Lord of Misrule, Lord willing and the creek don't rise, year of our Lord, in the year of our Lord, Lord love a duck, Lord of the Manor, Lord Mayors, good Lord, The Lord, Lord of Lords
- Lord's: The Lord's Anointed, Lord's Supper, Lord's Prayer
- Lords: Lord of Lords
- Los: Los Angeles, Los Angelization
- Lothian: West Lothian question
- Lou: Lou Gehrig's disease
- Louie: hang a Louie
- Louis: Port Louis
- Louise: geez Louise
- Louisiana: Louisiana Creole
- Love: Summer of Love, Love wave, Love waves
- Low: Low Saxon, Low Saxon language, Low German, Low Countries, Low Latin, Dutch Low Saxon
- Lower: Lower Saxony, Lower Sorbian
- Lucian: Saint Lucian
- Lucky: Lucky Charms
- Luddite: neo-Luddite
- Luddites: neo-Luddites
- Luis: São Luis
- Luser: Luser Attitude Readjustment Tool
- M: vitamin M, M-theory, M-business, M-F, M-16, M-16s
- M.D.: M.D. Ala., M.D. Fla.
- MEB: MEB disease
- MP3: MP3 player
- MP4: MP4 player, MP4 players
- MRSA: HA-MRSA, CA-MRSA
- MS: MS-DOS, MS Contin
- Mac: Mac Kenzie, Mac Arthur, Big Mac, Freddie Mac
- Macc.: 1 Macc., 2 Macc.
- Maccabees: 1 Maccabees, 2 Maccabees
- Macedonia: The former Yugoslav Republic of Macedonia, Former Yugoslav Republic of Macedonia
- Mack: Janey Mack, Mack truck
- Madagascar: Madagascar wood rail
- Madame: Madame Tussaud's, Madame Bishop
- Madison: Madison Avenue
- Mae: Mae West, Fannie Mae
- Mafia: moral Mafia
- Magellanic: Small Magellanic Cloud, Large Magellanic Cloud
- Magic: Magic Marker
- Magna: Magna Carta
- Magnolia: Magnolia State
- Mahal: Taj Mahal
- Maid: Old Maid
- Mail: Royal Mail
- Main: Frankfurt-am-Main, Main Street
- Maine: Maine Coon, Maine Coons
- Majesty: His Imperial Majesty
- Major: Major League Baseball, Major Mitchell's cockatoo, Ursa Major, Canis Major
- Makhuwa: Makhuwa-Meetto
- Malay: Malay World
- Male: Ktiv Male
- Mallen: Mallen streaks
- Maltese: Maltese Islands
- Maluku: North Maluku
- Man: Spider-Man, G-Man, Essex Man, Fat Man, New Man, Man of the Match, Man U, Son of Man, Tin Man
- Man.: Pr. of Man.
- Management: Human Resource Management, Total Quality Management
- Manchester: Greater Manchester
- Manchu: Fu Manchu
- Manchurian: Manchurian candidates
- Mandate: Mandate of Heaven
- Manila: Manila hemp, Manila rope
- Manor: Lord of the Manor
- Manual: Merck Manual
- Many: Too Many Mouths
- Mao: Mao Zedong
- Maori: Cook Islands Maori
- Mar: Beach-la-Mar
- March: mad as a March hare
- Marco: San Marco, Marco Polo
- Marcos: San Marcos
- Marcus: Marcus Bains line, Marcus Bains lines
- Mardi: Mardi Gras
- Mare: Weston-super-Mare
- Maria: Tia Maria, Black Maria
- Mariana: Northern Mariana Islander
- Marianas: Northern Marianas
- Marie: Marie Jeanne, Anne Marie
- Marin: Marin Miwok
- Marine: Marine Corps, United States Marine Corps
- Marines: Royal Marines
- Mario: Mario Andretti
- Marker: Magic Marker
- Market: Common Market
- Marks: Bevis Marks, Deutsche Marks
- Maroon: Maroon Spirit Language
- Mars: Mars Rover, Mars Express, vitriol of Mars
- Marshal: Air Chief Marshal, Air Marshal, Air Vice Marshal
- Marshall: Marshall Islander, Marshall Islands
- Martin: all my eye and Betty Martin
- Mary: Bloody Mary, Saint Mary, Typhoid Mary, Mary Bell order, Hail Mary, sweet Mary, Mary Sue, Mary Janes, Mary Sues, Mary Celeste
- Maryland: Maryland bridge
- Marys: Typhoid Marys
- Mason: Mason-Dixon Line, Mason jar
- Mass: Mass card
- Massa: Massa Carrara
- Master: Master of Science, Jedi Master, Master of Arts, Grand Master, Old Master
- Matilda: waltz Matilda
- Mato: Mato Grosso do Sul, Mato Grosso
- Mau: Egyptian Mau
- Mausoleum: Mausoleum of Maussollos
- May: April showers bring May flowers, ne'er cast a clout til May be out
- Mayan: Mayan pyramid, Mayan pyramids
- Mayo: Cinco de Mayo
- Mazandaran: Mazandaran Sea
- McCarthyism: neo-McCarthyism
- McLeod: McLeod gauge, Lady McLeod
- Mean: Greenwich Mean Time
- Mecayapan: Isthmus-Mecayapan Nahuatl
- Medici: Medici collar
- Medicine: Medicine Hat
- Medieval: Medieval Latin, Medieval English
- Mediterranean: Mediterranean Irish, Mediterranean Irishman
- Member: Member of Parliament
- Mer: Bêche-de-Mer
- Merry: Merry Christmas, Merry Christmas and a Happy New Year!, Merry Andrew, Merry Widow, Merry Andrews
- Mersey: Mersey sound
- Merton: Merton thesis
- Mesoamerican: Mesoamerican pyramid, Mesoamerican pyramids
- Messina: Strait of Messina
- Metropolitan: Metropolitan Area Network
- Mexican: New Mexican, Mexican plateau, Mexican overdrive, Mexican pool, Mexican hairless, Mexican Hairless, Mexican wolf, Mexican hairlesses, Mexican jumping beans
- Mexicans: New Mexicans
- Mexico: New Mexico, Gulf of Mexico
- Michael: take the Michael
- Michigan: Michigan basement
- Mickey: Mickey D's, Mickey Flynn, Mickey D
- Mid: Mid East
- Middle: Middle English, Middle East, Middle Ages, Middle-earth, Middle French, Middle Eastern, Middle Englander, Middle England, Middle High German, Middle Kingdom, Middle Korean, Middle Norwegian, Middle Dutch, Middle Earth, Middle Welsh
- Midi: Midi-Pyrénées
- Mile: Square Mile, Mile High Club
- Miles: Air Miles
- Millennium: Millennium Dome
- Min: Min Nan
- Minimum: Maunder Minimum
- Minnesota: Minnesota nice
- Minor: Asia Minor, Ursa Minor, Leo Minor, Canis Minor, Order of Friars Minor
- Mir: Meryam Mir
- Miranda: Miranda rights, Miranda right
- Miriam: Hand of Miriam
- Miss: Miss Right
- Mission: American Muslim Mission, Mission Indians, Mission Indian, Mission Hill
- Mississippi: Mississippi sax
- Missouri: Missouri Fox Trotter, Missouri Fox Trotters
- Mist: Australian Mist
- Mister: Mister Right
- Mitchell: Mitchell principles, Mitchell principle
- Mixe: Coatlán Mixe
- Mobile: Mobile Army Surgical Hospital
- Model: Document Object Model, Ford Model T
- Modern: Modern French, Modern Greek, Modern English, Early Modern English
- Moldavian: Moldavian SSR
- Mole: Whac-A-Mole
- Molotov: Molotov cocktails
- Mona: Mona Lisa
- Monday: Monday-morning quarterback
- Mongolic: Mongolic languages, Mongolic language
- Monkey: bare-eared Squirrel Monkey, Monkey Hanger, Monkey Hangers
- Monopoly: Monopoly money
- Monster: Cookie Monster, Flying Spaghetti Monster, Monster Raving Loony
- Mont: Mont Blanc
- Monterey: Monterey Jack
- Monty: Monty Python
- Moon: Harvest Moon, Lenten Moon, Easter Moon, Hunter's Moon
- Moose: Moose Jaw
- Mop: Mrs Mop
- Moravian: Bohemian-Moravian Highlands
- Morning: Morning Star
- Morocco: Morocco agencies, Morocco agency
- Morris: Morris column, Morris columns
- Morse: Morse theory
- Morton: Morton Bay bug
- Moses: Books of Moses, Moses baskets
- Moss: Johnny Moss, Irish Moss
- Most: Most High
- Mother: Mother Teresa, Mother City, Mother Superiors, Mother Carey's chicken, Mother Superior, Mother Earth, Earth Mother
- Motu: Hiri Motu
- Mount: Mount Everest, Mount Rushmore, Mount Fuji, Mount Kilimanjaro, Sermon on the Mount, Mount St. Helens
- Movement: Movement for Democratic Change, Charismatic Movement, Voluntary Human Extinction Movement
- Mr: Mr Hyde, Mr President, Mr Big, Mr Bigs
- Mr.: Mr. Right
- Mrs: Mrs Mop
- Mrs.: Mrs. Claus
- Mull: Mull of Kintyre rule, Mull of Kintyre test
- Munster: Munster Irish
- Murphy: Murphy bed, Murphy game
- Murray: Ruby Murray
- Musical: Doctor of Musical Arts
- Muslim: American Muslim Mission, Black Muslim, non-Muslim, Indian Union Muslim League
- Mutt: Mutt and Jeff, Mutt-and-Jeff
- Mutton: Mutton Jeff
- Myrica: Myrica gale
- N: N Centauri
- N.D.: N.D. Ala., N.D. Fla.
- NATO: NATO phonetic alphabet
- NHS: NHS Trust
- NMR: NMR spectroscopy
- NOAA: NOAA Corps
- NOS: PDD-NOS
- NOT: NOT function
- NY: NY, NY
- Name: Domain Name System, British Approved Name
- Nan: Min Nan
- Nancy: negative Nancy
- Narrow: Admiral of the Narrow Seas, Admirals of the Narrow Seas
- Nash: Nash equilibrium
- Nashville: Nashville sound
- Nassau: Orange-Nassau
- Natal: Natal plum
- Nation: Nation of Islam, Red Sox Nation, Southern Cherokee Nation, First Nation
- National: Grand National, National League, National Socialist, National Socialists, National Police Agency, National Oceanic and Atmospheric Administration, National Socialism, National Assembly
- Nations: United Nations, Commonwealth of Nations, League of Nations, First Nations
- Native: Native American, Native Californian, Native Americans
- Nativity: Nativity Scene
- Nato: Nato reporting name
- Nature: Mother Nature
- Navy: Royal Navy, Continental Navy, United States Navy, People's Liberation Army Navy
- Nay: Nay Pyi Taw
- Nazi: Nazi Germany
- Nea: Nea Smyrni, Nea Smirni, Nea Filadelfia, Nea Filadelfeia
- Near: Near East
- Nebula: Orion Nebula
- Ned: Uncle Ned
- Nellie: Nervous-Nellie, nervous-Nellie, Nervous Nellie, nervous Nellie
- Nelly: Nervous-Nelly, nervous-Nelly, Nervous Nelly, nervous Nelly
- Neo: Neo Latin, Neo-Pantheism
- Neptunian: trans-Neptunian object, trans-Neptunian
- Ness: Loch Ness monster
- Netherlands: Netherlands Antilles, The Netherlands
- Network: Cartoon Network, Joint Academic Network, Metropolitan Area Network
- Never: The City That Never Sleeps
- New: Papua New Guinea, New Ireland, New Delhi, New Yorker, New Caledonian, New Zealander, New Latin, New Holland, New Mexican, New Year's Day, New Year, Happy New Year, New Year's resolution, Merry Christmas and a Happy New Year!, New Testament, New York minute, New Age music, New Age, New Age traveller, Aotearoa New Zealand, New World, New York, New York, New York, New York, New York State, New World Order, New Man, New Labour, New Year's Eve, New York City, New Guinea flightless rail, New General Catalogue, New Orleanian, New Prussian, New High German, Early New High German, New Pomerania, New York breakfast, New Jersey Plan, New Forest, New World monkey, New Brunswickers, New Yorkers, New Brunswicker, New Democratic Party, New Wave, New Hampshirite, New Stone Age, Chinese New Year, Papua New Guinean, Papua New Guineans, New Zealand primitive frog, New Yawk, New Englandy, New France, New Yorkese, New Mexicans, Dutch New Guinea, New Democratic, New Hampshirites, New Democrat, New Years
- Newcastle: carry coals to Newcastle
- Newfie: Newfie jokes
- Newfoundland: Newfoundland English
- Newman: Kerr-Newman black hole
- Newton: Newton hearing
- Newtonian: Newtonian mechanics, non-Newtonian fluid, Newtonian fluid, modified Newtonian dynamics
- Next: Next Generation Networking
- Nia: Cairbre Nia Fer
- Niagara: Niagara River
- Nicholas: Saint Nicholas
- Nick: Saint Nick
- Niger: Niger-Congo
- Nigerian: Nigerian scam, Nigerian Pidgin
- Night: Ancestors Night, Mothers Night, Watch Night
- Nile: Nile blue, Nile green, West Nile fever
- Nina: La Nina, Nina Ross
- Nino: El Nino
- Nintendo: Super Nintendo
- No: No-Mates
- No.: FD&C Yellow No. 5
- Noachian: Noachian epoch
- Nobel: Nobel Prize, Nobel laureate, Nobel laureates
- Nolan: Nolan Chart
- Nordic: Nordic countries, Nordic skiing
- Norfolk: Norfolk Islander
- Norman: Norman French
- Normandie: Basse-Normandie, Haute-Normandie
- Norse: Old Norse, Norse Tradition
- Norte: Rio Grande do Norte
- North: North America, North Pole, North East Land, North Rhine-Westphalia, North Korean, North Carolina, North Yemen, North Holland, North Brabant, North Dakota, North Somerset, Magnetic North, True North, North Yorkshire, North Riding of Yorkshire, North Britain, North Island, North American, North Sea, Great White North, North Aegean, North Holland Blue, North West Frontier Province, North Shields, North Africa, North Conway, North Star, Hollywood North, North East England, geographic North Pole, North Finnish, North Americans, North Andover, North Sami, Great North Road, magnetic North Pole, North African, North Dakotan, North Pacific, North Maluku, North Sulawesi, North Sumatra, North Atlantic, North Atlantic Ocean, North Island brown kiwi, North Ndebele, North Carolinian, North Carolinians, North Korea
- Northern: Northern Territory, Northern State, Northern Marianas, Northern Mariana Islander, Northern Hemisphere, Northern Ireland, Northern Snakehead, Northern Cross, Northern Sami, Northern Irish, Northern Areas, Northern States, Northern Europe, Northern European, Northern Europeans, Northern Lights, United Kingdom of Great Britain and Northern Ireland, Northern Mariana Islands, Northern Rhodesia
- Norwalk: Norwalk virus
- Norway: Norway rat, Norway rats, Norway lemming, Norway lemmings
- Norwegian: Norwegian rat, Norwegian rats, Middle Norwegian, Norwegian Forest Cat, Norwegian Sea
- Nova: Nova Scotia, Lingua Franca Nova, Nova Scotians, Nova Scotian
- Number: Vehicle Identification Number, Automatic Number Identification, Number 10
- O: 5-O, Wham-O, nail Jell-O to a tree, Jell-O, O Canada, O RLY?, Smell-O-Vision, triple O, Triple-O, Jell-O shot, O-level, O level
- O's: X's and O's
- OB: OB-GYN
- OK: OK yah, rules OK
- OSI: OSI layer 7, OSI layer 3, OSI layer 4, OSI layer 1, OSI layer 5, OSI layer 2, OSI layer 6
- Object: Kuiper Belt Object, Document Object Model
- Oblast: Chechen Autonomous Oblast, South Ossetian Autonomous Oblast, Gorno-Altai Autonomous Oblast, Cherkess Autonomous Oblast, Ingush Autonomous Oblast, Jewish Autonomous Oblast, Chuvash Autonomous Oblast, Oyrot Autonomous Oblast, Adyghe Autonomous Oblast, Chechen-Ingush Autonomous Oblast, Nagorno-Karabakh Autonomous Oblast, Kurdistan Autonomous Oblast, Autonomous Oblast
- Occitan: Gascon Occitan
- Ocean: Pacific Ocean, Atlantic Ocean, Indian Ocean, British Indian Ocean Territory, Southern Ocean, Antarctic Ocean, Arctic Ocean, North Atlantic Ocean
- Oceania: Remote Oceania
- Oceanian: Common Oceanian
- Oceanic: Proto-Oceanic, National Oceanic and Atmospheric Administration
- Oder: Frankfurt-an-der-Oder
- Of: Of-
- Oh: Oh no, Oh boy, Oh God, Oh my Gosh, Oh Gosh
- Oil: Union Oil
- Oklahoma: Oklahoma land rush
- Ol: Ol Cemet'
- Old: Old English, Old Church Slavonic, Old Testament, Old French, Old Greek, Old IRA, Old Nick, Old World, Old Red Sandstone, Old Bailey, Old Irish, Old Frisian, Old Blighty, Old High German, Old Dart, Old Norse, Old Bill, Old Slavonic, Old World monkey, Old Prussian, Old Etonian, Old Harry, play Old Harry, Old Chinese, Old Saxon, Old Latin, Old Dutch, Old Maid, Old Tupi, Old Persian, Old East Slavic, Old West, Old Glory, Old Turkic, Old Master, Old English Sheepdog, Old Faithful
- Oldsmobile: 98 Oldsmobile
- Olympia: Statue of Zeus at Olympia
- Olympic: Olympic diving, Olympic Winter Games, Olympic goal
- Olympics: Winter Olympics
- On: Free On Board, On HMS, Carry On film
- One: Evil One, One-day International, Formula One, One country, two systems, One-day Internationals, World War One
- Open: Open University
- Operation: Operation Enduring Freedom
- Option: Time Sharing Option
- Opus: Opus Dei
- Orange: Agent Orange, Orange County, Orange GGN, Orange River Colony
- Order: Orange Order, New World Order, Groceries Order, German Order, Order of Friars Minor
- Oregon: Oregon grape
- Oriental: Oriental Shorthair, Oriental Longhair
- Oriolus: Oriolus szalayi
- Orleans: New Orleans
- Orthodox: Orthodox Judaism, Orthodox Jew, Greek Orthodox, Greek Orthodox Church, ultra-Orthodox
- Orthodoxy: Eastern Orthodoxy
- Os: big Os
- Oscar: Oscar the Grouch
- Ossetian: South Ossetian Autonomous Oblast
- Ostia: Ostia Antica
- Otaheite: Otaheite apple
- Other: A. N. Other
- Otto: Otto cycle
- Ottoman: Ottoman Turkish
- Our: Our Lady
- Oval: Oval Office
- Oxford: Oxford blue, Shorter Oxford English Dictionary, Oxford English Dictionary, Oxford secret
- P: vitamin P, P-plate, P U, P-wave, P-frames, P-frame
- P's: mind one's P's and Q's
- PA: PA system
- PC: PC Plod, IBM PC, PC Card
- PDD: PDD-NOS
- PF: PF key, Zanu-PF
- PI: ADHD-PI
- PK: PK nail
- PO: PO box
- PVA: aliphatic PVA
- Pacific: Pacific Standard Time, Pacific diver, Pacific loon, Pacific blackchin, Pacific Northwest, South Pacific, Pacific Islander, North Pacific
- Pack: Seller's Pack, Home Information Pack
- Paddy: Plastic Paddy
- Pakistan: West Pakistan
- Pakistani: British Pakistani
- Palace: Palace of Westminster, Buckingham Palace
- Palawan: Palawan bearcats
- Pale: India Pale Ale, India Pale Ales, Pale of Settlement
- Palio: Palio di Siena
- Pall: Pall Mall
- Palm: Palm Sunday
- Pan: Pan-Slavism, Pan-Cake, Tin Pan Alley, Pan-Theists, Pan-, Pan-Theist, Pan-Deism, Pan-en-Theism, Pan-Theism, Pan-Deist, Pan-Deists, Pan-deism, Pan Deism, Pan-en-theist, Pan-Asian, Pan-American, Peter Pan, Peter Pan syndrome, Pan-theism
- Panama: Panama Red
- Pangasinan: Pangasinan province
- Pantheism: neo-Pantheism, Neo-Pantheism
- Pap: Pap smear, Pap test
- Papal: Papal States
- Paper: Rock Paper Scissors, Paper Scissors Stone
- Papua: Papua New Guinean, Papua New Guineans
- Park: Central Park, South Park
- Parkinson's: Parkinson's disease, Parkinson's syndrome
- Party: UK Independence Party, Labour Party, Republican Party, Green Party, New Democratic Party, Communist Party of China, Independence Party, Federalist Party, Natural Governing Party, Progressive Conservative Party, Japan Socialist Party
- Pas: Nord-Pas-de-Calais
- Pascal: limaçon of Pascal
- Pass: Khunjerab Pass
- Passage: Northwest Passage
- Passion: Passion flower, Passion Sunday, Passion flowers
- Patagonian: Patagonian tinamou, Patagonian weasel
- Paul: robbing Peter to pay Paul, Paul Allen's flower fly
- Pauline: Pauline conversion
- Paulo: São Paulo
- Pax: Pax Romana, Pax Brittanica, Pax Augusta, Pax Americana
- Pays: Pays de la Loire
- Paz: La Paz
- Peace: Justice of the Peace, Prince of Peace, Peace Corps
- Peach: Peach Melba
- Peachtree: Peachtree City
- Peacock: Peacock Throne
- Pearl: Pearl Harbor
- Peer: Peer Panja
- Peggy: Congo Peggy
- Penang: Penang lawyer, Penang lawyers
- Penguin: Chatham Islands Penguin
- Pennsylvania: Pennsylvania Dutch, Pennsylvania Avenue
- Penny: Henny Penny, Penny Black, Penny Blacks
- People's: People's Democratic Republic of Yemen, People's Republic of China, Colored People's Time, Democratic People's Republic of Korea, Lao People's Democratic Republic, People's Liberation Army Navy, People's Liberation Army
- Persian: Persian Royal Road, Persian Gulf, Old Persian
- Personal: Personal Record
- Peruvian: Peruvian slaty antshrike
- Pesaro: Pesaro e Urbino
- Pet.: 2 Pet., 1 Pet.
- Pete: go Pete Tong
- Peter: Saint Peter Port, robbing Peter to pay Paul, Peter Pan syndrome
- Petri: Petri dish, Petri dishes, Petri net
- Petty: Petty Bag
- Pharaoh: Pharaoh ant
- Phi: Phi Betes, Phi Bete
- Philadelphia: Philadelphia lawyer, Philadelphia lawyers
- Phillips: Phillips screwdriver, Phillips head, Phillips screwdrivers
- Phoney: Phoney War
- Picardie: Tierce de Picardie
- Pidgin: Pidgin English, Nigerian Pidgin
- Pie: Pie-eater
- Pierre: Saint Pierre and Miquelon, Saint-Pierre and Miquelon, Saint-Pierre
- Pink: Invisible Pink Unicorn, Invisible Pink Unicorns
- Piscis: Piscis Australis, Piscis Austrinus
- Pizza: Pizza Hut
- Plague: Black Plague
- Plains: Plains Apache, Plains Miwok, Interior Plains
- Plan: New Jersey Plan
- Planet: Planet X, Captain Planet
- Plastic: Plastic Scouser, Plastic Scousers, Plastic Paddy
- Platonic: Platonic hydrocarbons
- Player: Player Empirical Comparison and Optimization Test Algorithm
- Plimsoll: Plimsoll line, Plimsoll mark
- Plot: Gunpowder Plot
- Plymouth: Plymouth Rock
- Point: West Point, Access Point
- Poisson: Poisson distributions
- Pole: South Pole, North Pole, Pole Star, geographic North Pole, magnetic North Pole
- Police: Royal Canadian Mounted Police, National Police Agency
- Polly: Pretty Polly
- Pollyanna: IBM Pollyanna Principle
- Polo: Polo kinase, San Polo, Marco Polo
- Polynesia: French Polynesia
- Polynesian: Proto-Polynesian
- Pomerania: Mecklenburg-Western Pomerania, New Pomerania
- Pope: is the Pope Catholic, Pope Julius
- Poppy: Poppy Day
- Port: Port Blair, Saint Peter Port, Port Elizabeth, Port of Spain, Port-au-Prince, Port Moresby, Port Louis, Port-Vila
- Porto: Porto Velho, Porto Alegre, Porto-Novo
- Portuguese: Brazilian Portuguese, Portuguese man-of-war, Portuguese Guinea, Portuguese West Africa, Portuguese East Africa
- Pose: Triangle Pose
- Pow: Pow Wow, Pow wow, Pow-Wow
- Powers: Axis Powers, Central Powers
- President: Mr President, Vice President, President-elect, Vice-President, Vice-President-elect
- Pretty: Pretty Polly, Pretty Good Privacy
- Priest: Judas Priest
- Primus: Primus stove
- Prince: Prince Edward Island, Prince Charles Foreland, Prince Albert, Port-au-Prince, Prince of Darkness, Prince Edward Islander, Prince Edward Islanders, Prince Charming, Prince Valiant, Prince Charmings, Prince of Peace
- Princess: Princess Leia
- Principality: Principality of Andorra
- Principe: Sao Tome and Principe
- Prix: Grand Prix
- Prize: Nobel Prize, X Prize, Pulitzer Prize
- Process: Process Art
- Progressive: Progressive Conservative, Progressive Conservative Party
- Prometheus: Prometheus-type
- Pronunciation: Received Pronunciation
- Protestant: Protestant work ethic, Protestant ethic
- Proto: Proto-Indo-European, Proto-Uralic, Proto-Germanic, Proto-Greek, Proto-Sino-Tibetan, Proto-Japonic, Proto-Polynesian, Proto-Celtic, Proto-Oceanic, Proto-Slavic, Proto-Balto-Slavic, Proto-Indo-Iranian, Proto-Semitic, Proto-Finno-Ugric, Proto-Canaanite alphabet, Proto-Afro-Asiatic, Proto-Turkic, Proto-Yeniseians, Proto-Yeniseian
- Provence: Provence-Alpes-Côte d'Azur, Provence-Alpes-Côte d'Azur-Corse, herbes de Provence
- Provençal: Franco-Provençal
- Providence: Divine Providence
- Provisional: Provisional IRA
- Prussian: Prussian blue, Franco-Prussian
- Pub.: Pub. L.
- Public: Public Limited Liability Company, John Q. Public, Public Health Service Commissioned Corps, Public Health Service
- Pudding: Jack Pudding
- Punic: Punic apple
- Puritan: Puritan work ethic
- Purple: Purple Heart
- Purse: Privy Purse
- Pyramid: Great Pyramid of Giza
- Pyrenees: Great Pyrenees
- Pyrrhic: Pyrrhic victories
- Pyrénées: Midi-Pyrénées
- Q: Q-tips, Q quotient, Q-tip, Big Q, Q-Celtic, Q meter, Q fever, Q-wave
- Q's: mind one's P's and Q's
- QWERTY: QWERTY phenomenon
- Quality: Total Quality Management
- Quebecois: Bloc Quebecois, Parti Quebecois
- Quebracho: Quebracho crested tinamou
- Queen: Queen Anne, Homecoming Queen, Queen Anne's Bounty, God Save the Queen, Queen Anne's lace, in the reign of Queen Dick
- Quiver: Empty Quiver
- Québec: Action démocratique du Québec
- Québécois: Parti Québécois, Bloc Québécois
- R: DVD-R, CD-R, vitamin R, R & B, R and R, R and R, R acid, A & R, R-1, R & D
- RAM: RAM pack
- RFID: RFID chip
- RNA: messenger RNA, RNA virus, transfer RNA, RNA viruses
- ROM: CD-ROM, CD-ROM drive, ROM images
- RS: RS-232
- RSA: RSA number, RSA numbers
- RSS: RSS feed, RSS feeds
- RU: RU-486
- RW: DVD-RW, CD-RW
- Rabbit: Brer Rabbit
- Radha: Radha Soami
- Radio: General Packet Radio Service
- Ragamuffin: Ragamuffin cat
- Rai: Rai Sahib, Rai Bahadur
- Rainbow: Rainbow Brite
- Ralph: hang a Ralph
- Ramsey: Ramsey theory
- Rand: Rand formula
- Rank: J. Arthur Rank
- Rankine: Rankine cycle, degree Rankine
- Raquel: Raquel Welch
- Ras: Ras Algethi
- Reb: Johnny Reb
- Red: Red Rectangle, Red Cross, Little Red Riding Hood, Red Indian, Old Red Sandstone, Panama Red, Red List, Great Red Spot, Red Sox, Rudolph the Red-Nosed Reindeer, Rhode Island Red, Red Sea, Red Crescent, Red Sox Nation, Red Kurdistan, Red Asphalt, Red Devils, Red Baron, Red Army Faction
- Reed: Reed-Sternberg cell, Reed-Sternberg cells
- Reef: Great Barrier Reef
- Reform: Reform Judaism
- Reformation: Counter-Reformation
- Reg: Reg Grundys
- Reggie: do a Reggie Perrin
- Reggio: Reggio nell'Emilia
- Region: Brussels Capital Region
- Reich: Fourth Reich
- Remote: Remote Oceania
- Republic: Dominican Republic, Central African Republic, People's Democratic Republic of Yemen, Yemen Arab Republic, Republic of China, People's Republic of China, Republic of the Congo, Weimar Republic, Republic of Turkey, Democratic Republic of the Congo, Republic of Djibouti, Soviet Socialist Republic, German Democratic Republic, Republic of Ireland, Sakha Republic, Democratic People's Republic of Korea, Republic of Korea, Russian Soviet Federative Socialist Republic, United Republic of Tanzania, Bolivarian Republic of Venezuela, The former Yugoslav Republic of Macedonia, Lao People's Democratic Republic, Syrian Arab Republic, Ukrainian Soviet Socialist Republic, Republic of the Philippines, Republic of Finland, Islamic Republic of Mauritania, Republic of Madagascar, Federal Democratic Republic of Nepal, Turkish Republic, Federal Democratic Republic of Ethiopia, Republic of Singapore, Republic of Senegal, Republic of Namibia, Republic of Ghana, Lebanese Republic, Republic of Mozambique, Republic of Armenia, Hellenic Republic, Former Yugoslav Republic of Macedonia, Czech Republic
- Republican: Brezhnev Republican, Irish Republican Army
- Rescue: Air Sea Rescue
- Reserve: Federal Reserve
- Resolution: Address Resolution Protocol
- Restaurant: Alice's Restaurant
- Rev: Rt Rev
- Rev.: Rt. Rev.
- Revolution: Velvet Revolution, Industrial Revolution
- Revolutionary: American Revolutionary War
- Rex: kicking Rex, Devon Rex, Cornish Rex, German Rex, Selkirk Rex
- Reynolds: Reynolds number, critical Reynolds number
- Rg: Rg Veda
- Rhesus: Rhesus system, Rhesus factor
- Rhine: North Rhine-Westphalia
- Rhineland: Rhineland-Palatinate
- Rhode: Rhode Island Red, Rhode Islander
- Rhodes: Appenzell Inner Rhodes, Appenzell Outer Rhodes
- Rhône: Rhône-Alpes
- Riau: Riau Islands
- Rice: Rice Krispies
- Richter: Richter scales
- Rico: Puerto Rico
- Riding: Little Red Riding Hood, East Riding of Yorkshire, North Riding of Yorkshire
- Riemann: Riemann zeta-function, Riemann spaces
- Rig: Rig Veda
- Riga: Gulf of Riga
- Right: Christian Right, Mister Right, Miss Right, Mr. Right
- Riley: life of Riley
- Ring: Ring of Fire
- Rio: Rio Branco, Rio Grande do Norte, Rio Grande do Sul
- Rip: Big Rip
- River: Hudson River, Orange River, Fly River turtle, Fall River, Niagara River, Orange River Colony
- Rivers: Two Rivers
- Road: Persian Royal Road, Great North Road, Rules of the Road, Tobacco Road
- Robertson: Robertson screw, Robertson screwdriver
- Robin: around Robin Hood's barn
- Robinson: Robinson Crusoe, Heath Robinson, before you can say Jack Robinson
- Rock: Ayers Rock, Bishop Rock, Rock Paper Scissors, Plymouth Rock, Little Rock, Funghus Rock
- Rocky: Rocky Mountains, Rocky Mountain fever
- Rod: Gentleman Usher of the Black Rod
- Roger: Jolly Roger
- Rogers: Roy Rogers, Jolly Rogers
- Roland: Roland Garros
- Roll: A Roll
- Roller: Holy Roller
- Roman: Roman numerals, Roman mile, Roman alphabet, Roman square capitals, Roman Catholic Church, Roman cursive, Holy Roman Empire, Greco-Roman, Graeco-Roman, Roman candles, Roman Catholics, Roman miles, Roman Catholicism, Roman bath, Roman baths, Graeco-Roman wrestling
- Romana: Pax Romana
- Romance: Romance language, Romance languages
- Romanian: Romanian alphabet, Macedo-Romanian
- Romanization: Revised Romanization of Korean
- Romans: when in Rome, do as the Romans do
- Rome: Bishop of Rome, Church of Rome, Rome wasn't built in a day, when in Rome, all roads lead to Rome, Ancient Rome
- Rosen: Einstein-Rosen bridge
- Ross: Nina Ross
- Rosy: Rosy Lee
- Roth: Roth IRA
- Rouge: Khmer Rouge, Baton Rouge
- Route: Route 66
- Rover: Mars Rover
- Roy: Roy Rogers, Roy G. Biv
- Russell: Hertzsprung-Russell diagram, Jack Russell terrier, Jack Russell terriers
- Russian: Russian doll, Black Russian, Russian Federation, Russian SFSR, Russian Empire, Russian cat, Russian Soviet Federative Socialist Republic, Russian Blue, Russian reversal, Russian gold, Russian reversals
- Russians: White Russians, Black Russians
- Rutland: Rutland beauty
- Rydberg: Rydberg atoms
- S: S-wave
- S.D.: S.D. Ala., S.D. Fla.
- SAMPA: X-SAMPA
- SAN: IP SAN
- SEO: blackhat SEO
- SP: GBA SP
- SS: Waffen SS
- SSR: Turkmen SSR, Ukrainian SSR, Byelorussian SSR, Moldavian SSR, Uzbek SSR, Estonian SSR, Georgian SSR, Azerbaijan SSR, Lithuanian SSR, Armenian SSR, Tajik SSR, Kyrgyz SSR, Kazakh SSR, Latvian SSR, Karelo-Finnish SSR
- Sack: Hacky-Sack
- Sad: Novi Sad
- Sahara: Western Sahara
- Saharan: sub-Saharan Africa, Sub-Saharan
- Saimaa: Saimaa ringed seal, Saimaa ringed seals
- Saint: Saint Vincent and the Grenadines, Saint Helena, Saint Pierre and Miquelon, Saint Kitts and Nevis, Saint John's, Saint-Pierre and Miquelon, Saint Peter Port, Saint Helier, Saint-Pierre, Saint Petersburg, Saint Gallen, Saint Nicholas, Saint Nick, Saint George, Latter-Day Saint, Saint Mary, Saint Bernard, Saint Valentine's Day, Saint Paul, Saint Monday, Saint Barbara, Saint Lucian, Saint Helenian, Saint Helenians
- Sakha: Sakha Republic
- Salafi: Salafi Christian
- Salamander: Japanese Giant Salamander
- Sally: Sally Army
- Salvador: San Salvador
- Sam: Uncle Sam, what the Sam Hill
- Sam.: 1 Sam., 2 Sam.
- Samaritan: Good Samaritan, Good Samaritan law
- Sami: Southern Sami
- Samoan: American Samoan
- San: San Marino, San Francisco, San Sebastián, San Franciscan, San Diego, San Salvador, San José, San Marco, San Polo, San Fran, San Carlos, San Juan Bautista, San Melchor Betaza, San Andreas faults, San Andreas fault, San Marcos, San Antone
- Sancho: Sancho Panzaism
- Sand: Sand Dancer, Sand-Dancer, Sand Dancers, Sand-Dancers
- Sandwich: South Georgia and the South Sandwich Islands
- Sans: Sans-culottide
- Santa: Santa Catarina, Santa Cruz, Santa Fe, Santa Ana wind, Santa Ana winds, Santa Croce, Santa Clara, Santa Fé, Santa hats, Santa suits
- Santas: secret Santas
- Santo: Espírito Santo, Santo Domingo
- Saran: Saran Wrap
- Satan: Great Satan
- Saturday: Saturday-night special, Saturday night special
- Savannah: Savannah cat
- Sawyer: Tom Sawyer
- Saxon: Anglo-Saxon, Low Saxon language, Saxon blue, Old Saxon, Anglo-Saxon America, Dutch Low Saxon
- Saxons: Anglo-Saxons
- Saxony: Saxony-Anhalt, Lower Saxony
- Scene: Nativity Scene
- Schiff: Schiff base
- Schmidt: Schmidt camera, Schmidt telescope
- Schwarzian: Schwarzian derivatives
- Scotch: Scotch Argus, Scotch crow
- Scotia: Nova Scotia
- Scotland: curse of Scotland
- Scots: Scots Gaelic
- Scott: great Scott
- Scottish: Scottish English, Scottish Fold
- Scouser: Plastic Scouser
- Scousers: Plastic Scousers
- Scout: Cub Scout, Eagle Scout, Girl Scout, Boy Scout
- Scouts: Eagle Scouts, Girl Scouts
- Scriptures: Greek Christian Scriptures, Hebrew Aramaic Scriptures, Hebrew Scriptures
- Scrooge: Uncle Scrooge
- Sea: South China Sea, Black Sea, Mediterranean Sea, Ionian Sea, Yellow Sea, Bering Sea, Air Sea Rescue, Caspian Sea, Aegean Sea, Baltic Sea, North Sea, Adriatic Sea, Ceram Sea, Java Sea, Arctic Sea, Irish Sea, Inland Sea, Dead Sea apple, Red Sea, Mazandaran Sea, Southend-on-Sea, Sea of Japan, Dead Sea, East Sea, Caribbean Sea, Bothnian Sea, Barents Sea, Sargasso Sea, Chukchi Sea, Labrador Sea, Norwegian Sea, East China Sea, White Sea, Sea of Azov, Sea of Galilee, Arabian Sea, Tyrrhenian Sea
- Sebastián: San Sebastián
- Second: Second World, Second Reich, Second World War
- See: Holy See
- Seifert: Seifert fibre space, Seifert fiber space, Seifert fibred space, Seifert fibered space, Seifert fibre spaces, Seifert fibered spaces, Seifert fiber spaces, Seifert fibred spaces
- Semite: anti-Semite
- Semites: anti-Semites
- Semitic: Proto-Semitic
- Senior: Senior Circuit
- September: September eleven attacks, September eleventh attacks, September eleven, September eleventh
- Serbian: Croato-Serbian, Serbian salads
- Serengeti: Serengeti cat
- Seri: Bandar Seri Begawan
- Sertoli: Sertoli cell, Sertoli cells
- Service: Internal Revenue Service, United States Postal Service, General Packet Radio Service, Public Health Service Commissioned Corps, Public Health Service
- Services: United States Uniformed Services
- Seven: Seven Sages, Seven Sages of Greece, Seven Sisters
- Shah: Shah Alam
- Shavuot: Tikkun Leil Shavuot
- Sheffield: Sheffield stand
- Shem: Baal-Shem-Tov
- Shepherd: Australian Shepherd
- Shetland: South Shetland Islands, Shetland sheepdog
- Shia: Shia crescent
- Ship: Free Alongside Ship, Delivered Ex Ship
- Shirley: Shirley Temple
- Siberian: Siberian elm, Siberian husky, Siberian flying squirrel, Siberian flying squirrels, Siberian cat, Siberian weasel
- Sichuan: Sichuan Yi
- Sicilian: Sicilian-American
- Sieg: Sieg Heil
- Siena: Palio di Siena
- Sierra: Sierra Leone, Sierra Miwok, Sierra Leonean, Sierra Leoneans
- Sign: American Sign Language
- Signal: Greenwich Time Signal
- Silly: Silly Billy
- Simon: Simon says
- Sin: Sin City
- Sine: Latino Sine Flexione
- Sinn: Sinn Féin, Sinn Fein
- Sino: Proto-Sino-Tibetan, Sino-, Sino-Japanese, Sino-Korean, Sino-Vietnamese
- Sioux: Sioux language
- Sir: Aye Aye, Sir, Sir David's long-beaked echidna
- Six: Six Counties, Joe Six-pack
- Sixteen: Sweet Sixteen
- Skinner: Skinner box
- Skunk: Skunk ape
- Sky: Sky Father
- Slav: East Slav, Balto-Slav
- Slave: Slave Dynasty
- Slavic: Proto-Slavic, Proto-Balto-Slavic, Old East Slavic, East Slavic, Balto-Slavic, Church Slavic
- Slavonic: Old Slavonic, Common Slavonic
- Slavs: Balto-Slavs
- Slip: Slip Slop Slap
- Slough: Slough of Despond
- Small: Small Computer Systems Interface, Small Magellanic Cloud
- Snow: Snow White
- Socialist: National Socialist, Soviet Socialist Republic, Russian Soviet Federative Socialist Republic, Ukrainian Soviet Socialist Republic, Union of Soviet Socialist Republics, Japan Socialist Party
- Society: Society of Jesus, Society Islands
- Socratic: Socratic irony
- Solomon: Song of Solomon, Solomon Gundy, Wisdom of Solomon, Solomon Islander, Solomon Islanders
- Somali: Somali cat
- Somerset: North Somerset
- Sorani: Sorani alphabet
- South: South Korea, South China Sea, South Australia, New South Wales, South Pole, South Dakota, South America, South Korean, South African, South Yemen, South Holland, South Carolina, South Yorkshire, South Island, South American, South Azerbaijan, South Aegean, South Shetland Islands, South Florida, South Wales, South Shields, South Ossetian Autonomous Oblast, Nnewi South, South Downs, South Africans, South African English, South Pacific, South Dakotan, South Asia, South Americans, South Kalimantan, South West Africa, South Sumatra, South Sulawesi, South Park, South Ossetia, South Tarawa, South Ndebele, South Carolinian, South Georgia and the South Sandwich Islands, South Georgia and the South Sandwich Islands, South Georgia, Solid South, Deep South, South India, South Africa
- Southern: Southern Hemisphere, Southern blot analysis, Southern Ocean, Southern Cross, Southern Sami, Southern hospitality, Southern Cherokee Nation, Southern Europeans, Southern Europe, Southern European, Southern Balochi, Southern Rhodesia, Southern Altai
- Soviet: Supreme Soviet, Soviet Socialist Republic, Russian Soviet Federative Socialist Republic, Ukrainian Soviet Socialist Republic, Union of Soviet Socialist Republics
- Sox: Red Sox Nation
- Space: Space Shuttle, Space Shuttles
- Spaghetti: Flying Spaghetti Monsters, Flying Spaghetti Monster, Spaghetti Western
- Spain: Port of Spain, the rain in Spain falls mainly in the plain
- Spaniard: insular Spaniard
- Spanish: Spanish chestnut, Spanish Inquisition, Spanish double l, Spanish iris, Spanish Armada, Spanish Guinea, Spanish fever, Spanish flu, Spanish influenza, Spanish chestnuts, Spanish Town, Spanish double ls
- Spear: Bent Spear
- Special: Special K
- Spirit: Holy Spirit, Maroon Spirit Language
- Spot: Great Red Spot
- Spy: Spy Wednesday
- Squirrel: bare-eared Squirrel Monkey
- Ss: medial Ss, short Ss, terminal Ss, long Ss, descending Ss
- St: St Ignatius' bean, St Mary's, St Andrew's day, St Helens, St Andrews, St John's wort, St George's Channel
- St.: St. George's Day, St. Patrick's Day, St. Bernard, St. Valentine's Day, St. Elmo's fire, St. George's, St. John's, St. Vitus' dance, St. Stephen's Day, St. Anthony's fire, Mount St. Helens
- Stadt: Basel-Stadt
- Standard: American Standard Code for Information Interchange, Mountain Standard Time, Central Standard Time, Eastern Standard Time, Pacific Standard Time, Standard Mandarin, Standard English, Alaska Standard Time, Atlantic Standard Time, Japan Standard Time, Advanced Encryption Standard
- Star: Star Wars, Bronze Star, Death Star, Star Trek, Star-Spangled Banner, Pole Star, Dog Star, North Star, Lode Star, Star of David, Morning Star
- Stark: Stark effect
- Start: Head Start
- State: Northern State, Orange Free State, New York State, State of the Union, Yellowhammer State, Secretary of State, Secretaries of State, Magnolia State, Empire State Building, Empire State
- States: United States of America, United States, Trucial States, United States minor outlying islands, Commonwealth of Independent States, Northern States, United States Army, United States Armed Forces, United States Virgin Islands, continental United States, Confederate States of America, Papal States, Federated States of Micronesia, United States Postal Service, United States Coast Guard, United States Navy, United States Marine Corps, United States Air Force, United States Uniformed Services
- Statue: Statue of Zeus at Olympia
- Sten: Sten gun, Sten guns
- Steve: Adam and Steve
- Stolen: Stolen Generation
- Stone: Blarney Stone, Stone Age, Paper Scissors Stone, Rosetta Stone, New Stone Age
- Stratford: Stratford-upon-Avon
- Street: Aldersgate Street, Grub Street, Sesame Street, Downing Street, Fleet Street, Threadneedle Street, Lombard Street, Wall Street, Harley Street, Baker Street, High Street, Main Street
- Strong: Strong Island
- Sub: Sub-Saharan
- Sudan: French Sudan
- Sue: Mary Sue
- Sul: Mato Grosso do Sul, Rio Grande do Sul
- Sulawesi: Central Sulawesi, Southeast Sulawesi, West Sulawesi, North Sulawesi, South Sulawesi
- Sumatra: South Sumatra, North Sumatra, West Sumatra
Last modified on 14 February 2011, at 20:31