Greek nouns of the second declension are masculines and feminines in -ος (-os), and neuters in -ον (-on). For those in -ως (-ōs) and -ων (-ōn) (Attic nouns), see Appendix:Ancient Greek Attic declension.
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Regular nouns
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Masculine & Feminine
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Neuter
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Singular
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Dual
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Plural
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Singular
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Dual
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Plural
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Nominative
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–ος |
–ω |
–οι |
–ον |
–ω |
–ᾰ
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Genitive
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–ου |
–οιν |
–ων |
–ου |
–οιν |
–ων
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Dative
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–ῳ |
–οις |
–ῳ |
–οις
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Accusative
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–ον |
–ω |
–ους |
–ον |
–ω |
–ᾰ
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Vocative
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–ε |
–οι
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Regular nouns
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Singular
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Dual
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Plural
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m./f.
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n.
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m./f.
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n.
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m./f.
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n.
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Nominative
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–ος |
–ον |
–ω |
–οι |
–ᾰ
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Vocative
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–ε
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Accusative
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–ον |
–ους
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Genitive
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–ου |
–οιν |
–ων
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Dative
|
–ῳ |
–οις
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Regular nouns
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Masculine & Feminine
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Neuter
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πόλεμος (polemos, "war") m
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μῆλον (mēlon, "apple") n
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Singular
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Dual
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Plural
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Singular
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Dual
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Plural
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Nominative
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πόλεμος |
πολέμω |
πόλεμοι |
μῆλον |
μήλω |
μῆλα
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Genitive
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πολέμου |
πολέμοιν |
πολέμων |
μήλου |
μήλοιν |
μήλων
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Dative
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πολέμῳ |
πολέμοις |
μήλῳ |
μήλοις
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Accusative
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πόλεμον |
πολέμω |
πολέμους |
μῆλον |
μήλω |
μῆλα
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Vocative
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πόλεμε |
πόλεμοι
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