- Assamese: ভনী (bhoni)
- Bengali: বোন (bn) (bon)
- Burmese: ညီမ (my) (nyima.)
- Catalan: germana petita f
- Chinese:
- Cantonese: 細妹/细妹 (sai3 mui6-2), 妹 (mui6-2)
- Dungan: мыймый (mɨymɨy)
- Mandarin: 妹妹 (zh) (mèimèi)
- Min Nan: 小妹 (zh-min-nan) (sió-mōe)
- Wu: 妹妹 (me me), 阿妹 (aq me)
- Finnish: pikkusisko
- French: petite sœur f, sœur cadette f
- German: kleine Schwester f
- Greenlandic: najak (of a male)
- Hungarian: húg (hu)
- Inuktitut: ᓇᔭᒃ (nayak) (of a male)
- Japanese: 妹 (ja) (いもうと, imōto)
- 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)
- Lao: ນ້ອງສາວ (nǭng sāo)
- Macedonian: помала сестра f (pomala sestra), помлада сестра f (pomlada sestra)
- Mongolian:
- Cyrillic: дүү (mn) (düü) (younger sibling, male or female)
- Portuguese: irmã mais nova
- Russian: мла́дшая сестра́ f (mládšaja sestrá), сестрёнка (ru) f (sestrjónka)
- Salar: siñil, siñni
- 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)
- Uyghur: سىڭىل (ug) (si'ngil)
- Vietnamese: em (vi) (㛪), em gái (vi) (㛪𡛔)
- Yup'ik: nayagaq (of a male)
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