- Albanian: përrua (sq)
- Arabic: غَدِير (ar) m (ḡadīr)
- Arapaho: kohˀowuˀ
- Basque: erreka, latsa
- Belarusian: руча́й m (ručáj), ручаі́на f (ručaína), раўчу́к m (raŭčúk), пато́к m (patók)
- Bulgarian: пото́к (bg) m (potók), ру́чей (bg) m (rúčej)
- Catalan: rierol (ca) m
- Chechen: татол (tatol)
- Chinese:
- Mandarin: 小河 (zh) (xiǎohé), 溪流 (zh) (xīliú)
- Czech: potok (cs) m
- Danish: bæk (da) c
- Dutch: beek (nl) f, broek (nl)
- Eastern Bontoc: kinnaw, arog-og
- Esperanto: rivereto; rojo (eo) (poetic)
- Estonian: oja (et)
- Farefare: kʋlga
- Faroese: løkur m
- Finnish: puro (fi); (dialectal) oja (fi)
- French: ruisselet (fr) m
- Galician: regacho (gl) m, regato (gl) m, regueiro (gl) m, rego (gl) m, corgo (gl) m, bullón m, bioca f, arroio (gl) m
- German: Bach (de) m
- Gothic: 𐍂𐌹𐌽𐌽𐍉 f (rinnō)
- Hebrew: פֶּלֶג (he) m (péleg)
- Hindi: कुल्या (hi) f (kulyā)
- Hungarian: patak (hu), csermely (hu)
- Icelandic: lækur (is) m
- Ido: rivereto (io)
- Igbo: iyi (ig)
- Ilocano: waig
- Interlingua: rivo
- Irish: sruthán (ga) m
- Italian: ruscello (it) m, rio (it) m, corso d'acqua, rivo m
- Japanese: 小川 (ja) (おがわ, ogawa)
- Korean: 시내 (ko) (sinae)
- Latin: rīvulus m
- Lubuagan Kalinga: wain, ewagit, suɏong
- Macedonian: по́ток (mk) m (pótok)
- Malay: anak sungai kecil
- Malayalam: തോട് (ml) (tōṭŭ), അരുവി (ml) (aruvi)
- Manchu: ᠪᡳᡵᡤᠠᠨ (birgan)
- Mòcheno: pòch f
- Norman: dou m (Jersey)
- Norwegian:
- Bokmål: bekk (no) m
- Ojibwe: ziibiins
- Old East Slavic: ручии m (ručii), ручаи m (ručai)
- Ottoman Turkish: چای (çay), دره (dere)
- Plautdietsch: Bach (nds) n, Rie f, Schelsel n
- Polish: strumyk (pl) m, potok (pl) m, ruczaj (pl) m (dated or literary)
- Portuguese: riacho (pt) m, corgo (pt) m, córrego (pt) m
- Romanian: pârâu (ro) n
- Russian: руче́й (ru) m (ručéj), речу́шка (ru) f (rečúška)
- Scottish Gaelic: allt m
- Serbo-Croatian:
- Cyrillic: по̀ток m
- Roman: pòtok (sh) m
- Slovak: potok m
- Slovene: pótok (sl) m
- Southern Kalinga: wail
- Spanish: arroyo (es) m, arroyuelo (es) m
- Swahili: kijito
- Swedish: bäck (sv) c
- Tagalog: saimsim, sapa, batis
- Thai: ธาร (th) (taan), ลำธาร (th) (lam-taan)
- Tuwali Ifugao: wa-el
- Ukrainian: струмо́к (uk) m (strumók), поті́к (uk) m (potík), течія́ f (tečijá), руча́й (uk) m (ručáj), стру́мінь (uk) m (strúminʹ), пото́чина f (potóčyna), бурча́к (uk) m (burčák)
- Vietnamese: lạch (vi)
- Volapük: bluk (vo), (diminutive) blukil (vo)
- Welsh: nant (cy) f, ffrwd f, afonig f
- Yuchi: sʼakʼo
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