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English nine
← Old English nigon (inherited)
← Middle English nyne (inherited)
← Middle English nine (mention)
← Proto-Germanic *newun (inherited)
← Proto-West Germanic *neun (inherited)
← Proto-Indo-European *h₁néwn̥ (inherited)

→ English ninth (mention)
→ English nineteen (suffix)
→ English ninety (affix)
→ English the whole nine yards (mention)
→ English ninefold (affix)
→ English cat-o'-nine-tails (affix)
→ English niner (mention)
→ English ninepin (compound)
→ English ninescore (compound)
→ English ninepence (compound)
→ English nineish (suffix)
→ English nine-tenths (mention)
→ English nineness (suffix)
→ English ninepenny (compound)
→ English nineholes (mention)
→ English ninesies (suffix)
→ English ninesome (suffix)
→ English ninebark (compound)
→ English stanine (blend)
→ English nineplex (suffix)
→ English nineling (suffix)
→ Avestan 𐬥𐬀𐬎𐬎𐬀 (cognate)
→ Atong (India) nain (borrowed)
→ Bislama naen (inherited)
→ Cimbrian noüne (cognate)
→ Cimbrian nòine (cognate)
→ Cuyunon siyam (link)
→ German neun (cognate)
→ Dupaningan Agta siyam (link)
→ Esperanto naŭ (mention)
→ Spanish nueve (mention)
→ Persian نه (cognate)
→ Faroese níggju (cognate)
→ Ancient Greek ἐννέα (cognate)
→ Alemannic German nine (cognate)
→ Alemannic German nin (cognate)
→ Alemannic German nüün (cognate)
→ Ido non (derived)
→ Japanese ナイン (borrowed)
→ Latin novem (mention)
→ Luxembourgish néng (cognate)
→ Lithuanian devyni (cognate)
→ Latvian deviņi (cognate)
→ Mòcheno nai'n (cognate)
→ Translingual nine (derived)
→ Norwegian Bokmål ni (cognate)
→ German Low German negen (cognate)
→ Dutch Low Saxon negen (cognate)
→ Pennsylvania German nein (cognate)
→ Sanskrit नवन् (cognate)
→ Swedish nio (mention)
→ Tok Pisin nain (derived)
→ Vietnamese chín suối (link)
→ Yola neen (cognate)