Welsh

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Welsh numbers (edit)
[a], [b] ←  98 99 100  → [a], [b], [c]
    Cardinal (masculine / vigesimal): pedwar ar bymtheg a phedwar ugain
    Cardinal (feminine / vigesimal): pedair ar bymtheg a phedwar ugain
    Cardinal (vigesimal): cant namyn un
    Cardinal (decimal): naw deg naw
    Ordinal (masculine): pedwerydd ar bymtheg a phedwar ugain
    Ordinal (feminine): pedwaredd ar bymtheg a phedwar ugain
    Ordinal: canfed namyn un
    Ordinal abbreviation: 99ain

Etymology

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From cant (hundred) +‎ namyn (save) +‎ un (one).

Pronunciation

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Numeral

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cant namyn un

  1. (cardinal number, vigesimal) ninety-nine
    Synonyms: naw deg naw, pedair ar bymtheg a phedwar ugain, pedwar ar bymtheg a phedwar ugain

Usage notes

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The number cant namyn un can be used with nouns of any gender whereas the synonymous pedwar ar bymtheg a phedwar ugain and pedair ar bymtheg a phedwar ugain are used solely with masculine and feminine nouns respectively.

Mutation

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Mutated forms of cant namyn un
radical soft nasal aspirate
cant namyn un gant namyn un nghant namyn un chant namyn un

Note: Certain mutated forms of some words can never occur in standard Welsh.
All possible mutated forms are displayed for convenience.