- Ainu:トゥレㇱ(tures)(of a male),マタキ(mataki)(of a female)
- Assamese:ভনী(bhoni)
- Bashkir:һеңле(heñle),һылыу(hılıw)
- Bengali:বোন (bn)(bōn)
- Burmese:ညီမ (my)(nyima.)
- Catalan:germanapetita f
- Chinese:
- Cantonese:細妹 /细妹(sai3 mui6-2),妹(mui6-2)
- Dungan:мыймый(mɨymɨy)
- Hokkien:小妹 (zh-min-nan)(sió-mōe)
- Mandarin:妹妹 (zh)(mèimèi)
- Wu:妹妹,阿妹(7aq-me)
- Finnish:pikkusisko
- French:petitesœur f,sœurcadette f
- German:kleine Schwester f
- Greenlandic:najak(of a male),nuka(of a female)
- Hindi:अनुजा (hi) f(anujā),छोटीबहन f(choṭī bahan)
- Hungarian:húg (hu)
- Indonesian:adik perempuan
- Inuktitut:ᓇᔭᒃ(nayak)(of a male)
- Japanese:妹 (ja)(いもうと, imōto)(for younger sisters in general or one's own),妹さん(いもうとさん, imōto san)(polite, used when referring to someone else's younger sister)
- Javanese:nduk
- Kapampangan:wali,nang
- Khmer:ប្អូនស្រី(pʼoun srəy)
- Korean:여동생(女同生) (ko)(yeodongsaeng),누이동생(同生)(nu'idongsaeng),동생(同生) (ko)(dongsaeng)(younger sibling, male or female)
- Kurdish:
- Lao:ນ້ອງສາວ(nǭng sāo)
- Macedonian:помаласестра f(pomala sestra),помладасестра f(pomlada sestra)
- Malayalam:അനുജത്തി (ml)(anujatti),അനിയത്തി (ml)(aniyatti)
- Manchu:ᠨᠣᠨ(non)
- Mongolian:
- Cyrillic:дүү (mn)(düü)(younger sibling, male or female)
- Nanai:нэку(neku)
- Portuguese:irmãmaisnova
- Russian:мла́дшаясестра́ f(mládšaja sestrá),сестрёнка (ru) f(sestrjónka)
- Salar:siñil,siñni
- Sanskrit:अनुजा (sa) f(anujā)
- Southern Altai:сыйын(sïyïn)
- Spanish:hermanamenor f,hermanapequeña f,hermanita f(affectionate)
- Swedish:lillasyster (sv)
- Tagalog:nenè (tl)
- Thai:น้องสาว (th)(nɔ́ɔng-sǎao)
- Tibetan:ནུ་མོ(nu mo),འོག་མ('og ma),ཨོ་ལགས(o lags)(honorific)
- Turkish:kız kardeş (tr),bacı (tr)
- Turkmen:bajy (tk)
- Urdu:بَھینا f(bhainā)(endearing),بَہْنا f(bahnā)(diminutive)
- Uyghur:سىڭىل (ug)(si'ngil)
- Uzbek:singil (uz)
- Vietnamese:em (vi) (㛪 (vi)),em gái (vi) (㛪𡛔)
- Yup'ik:nayagaq(of a male)
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