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 Abaza: жвба (ž°bā)
 Abkhaz: жәба (ž°bā)
 Adyghe: бгъу (bġ°)
 Afrikaans: nege
 Ainu: シネペサン (shinepesan)
 Albanian: nëntë (sq)
 Alutiiq: qulnguyan
 Amharic: ዘጠኝ (am) (zäṭäñ) (numeral: ፱ (9)) Arabic: تِسْعَة (tisʿa) (numeral: ٩ (9))
 Egyptian Arabic: تسعة (tisʿa)
 Aragonese: nueu, nou (an)
 Aramaic:
 Syriac: ܬܫܥܐ m (tišʕā’), ܬܫܥ f (tšaʕ)
 Hebrew: תשעא m (tišʕā’), תשע f (tšaʕ)
 Armenian: ինը (hy) (inə), ինն (hy) (inn)
 Aromanian: noauã
 Assamese: ন (na)
 Asturian: nueve (ast)
 Aymara: llätunka
 Azeri: doqquz (az)
 Balinese: siə
 Banjarese: sambilan
 Bashkir: туғыҙ (tuğïð)
 Basque: bederatzi (eu)
 Belarusian: дзе́вяць (dzjévjacʹ), дзявя́цера (dzjavjácjera)
 Bengali: নয় (noy) (numeral: ৯ (9)) Breton: nav (br)
 Bulgarian: де́вет (dévet)
 Burmese: ကိုး (my) (kui:) (numeral: ၉ (9)) Buryat: юһэн (juhen)
 Catalan: nou (ca)
 Central Atlas Tamazight: ⵜⵥⴰ (tẓa)
 Chakma: 𑄚𑄧 (na), 𑄿 (numeral)
 Chamicuro: iskon
 Chechen: исс (iss)
 Cherokee: ᏐᏁᎳ (sonela)
 Chichewa: sanu n'zinayi
 Chinese:
 Cantonese: 九 (gau2)
 Hakka: 九 (kiú)
 Min Dong: (please verify)九 (kau), 九 (gau)
 Min Bei: (please verify)九 (kiu)
 Min Nan: 九 (kiú, káu, kiáu)
 Mandarin: 九 (zh) (jiǔ) (numeral: 玖 (zh)) Wu: 九 (jieu)
 Chuvash: тӑххӑр (tăhhăr)
 Classical Nahuatl: chiucnāhui
 Cornish: naw
 Corsican: novi (co)
 Crimean Tatar: doquz
 Czech: devět (cs)
 Dalmatian: nu
 Danish: ni (da)
 Dena'ina: łq'ich'idi
 Dhivehi: ނުވަ (nuva)
 Dutch: negen (nl)
 Erzya: вейксе (vejkse)
 Esperanto: naŭ (eo)
 Estonian: üheksa (et)
 Evenki: егин
 Faroese: níggju
 Fijian: ciwa (fj)
 Finnish: yhdeksän (fi)
 French: neuf (fr)
 Friulian: nûf, nûv
 Galician: nove (gl)
 Garifuna: nefu
 Ge'ez: ተስዐቱ m (täsʿätu), ትስዑ f (təsʿu) (numeral: ፱ (9)) Georgian: ცხრა (ka) (cxra)
 German: neun (de)
 Gilbertese: ruiwa
 Gothic: 𐌽𐌹𐌿𐌽 (niun)
 Greek: εννέα (el) (ennéa), θ΄ (th΄) (numeral)
 Greenlandic: qulingiluat (kl)
 Guaraní: porundy
 Gujarati: નવ (gu) (nav) (numeral: ૯ (gu) (9)) Haitian Creole: nèf
 Hausa: tar̃à
 Hawaiian: iwa, ʻeiwa
 Hebrew: תֵּשַׁע (he) f (téiša) (used in counting), תִּשְׁעָה m (tish'a)
 Hindi: नौ (hi) (nau) (numeral: ९ (hi) (9)) Hopi: pept
 Hungarian: kilenc (hu)
 Icelandic: níu (is)
 Ido: non (io)
 Inari Sami: oovce
 Indonesian: sembilan (id)
 Interlingua: nove (ia)
 Interlingue:  Irish: naoi (ga)
 Istriot: gnove
 Italian: nove (it)
 Japanese: 九 (ja) (く, ku, きゅう, kyū), 九つ (ja) (ここのつ, kokonotsu)
 Javanese: saŋa
 Norman: neuf
 Kannada: ಒಂಬತ್ತು (kn) (oṃbattu) (numeral: ೯ (kn) (9)) Karachay-Balkar: тогъуз (toğuz)
 Karelian: yhekšän
 Kashubian: dzewiãc
 Kazakh: тоғыз (kk) (toğız)
 Khakas: тоғыс (toğıs)
 Khmer: ប្រាំបួន (km) (pram buon) (numeral: ៩ (9)) Komi-Zyrian: ӧкмыс (ökmys)
 Korean: 아홉 (ko) (ahop), 구 (ko) (gu) (九 (ko)) Kurdish:
 Kurmanji: neh (ku)
 Sorani: نۆ (no)
 Kyrgyz: тогуз (ky) (toguz)
 Ladin: nuef
 Lakota: napčíyuŋka
 Lao: ເກົ້າ (lo) (kao) (numeral: ໙ ()) Latgalian: deveni m, devenis f
 Latin: novem (la)
 Latvian: deviņi (lv) m, deviņas f
 Lezgi: кӀуьд (kӀüd)
 Lithuanian: devyni (lt) m, devynios f
 Livonian: īdõks
 Lojban: so
 Low German:
 Dutch Low Saxon: negen (nds)
 German Low German: negen (nds)
 Luxembourgish: néng (lb)
 Macedonian: девет (mk) (devet)
 Madurese: saŋaʔ
 Malagasy: sivy (mg)
 Malay:
 Rumi: sembilan (ms), selapan, nawa
 Jawi: سمبيلن, سلاڤن, ناوا
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 Malayalam: ഒന്പതു (onpatu) (numeral: ൯ (ml) (9)) Maltese: disgħa
 Manchu: uyun
 Mangarevan: iva
 Mansi: онтэллов (ontəllow)
 Manx: nuy
 Maore Comorian: shendra
 Maori: iwa (mi)
 Mari: индеше (indeše)
 Maricopa: nyimxanok
 Marshallese: ratimjuon
 Minangkabau: sambilan
 Moksha: вейхкса (vejxksa)
 Mongolian: ес (mn) (jes), (please verify)ᠢᠰᠦᠨ (isün) (numeral: ᠙) Montagnais: peikushteu
 Nahuatl: chicuei
 Nama: khoese
 Navajo: náhástʼéí
 Nepali: नौ (ne) (nau)
 Niuean: hiva
 North Frisian:
 Föhr-Amrum: njüügen
 Helgoland: neägen
 Mooring: nüügen
 Sylt: niigen
 Northern Sami: ovcci
 Norwegian: ni (no)
 Novial: nin
 O'odham: hemuckam
 Occitan: nòu (oc)
 Ojibwe: zhaangaswi
 Old Church Slavonic:
 Cyrillic: дєвѧть (devętĭ)
 Old English: nigon
 Old Frisian: niūgun
 Oriya: ନଅ (or) (na'a) (numeral: ୯) Ossetian: фараст (farast)
 Ottoman Turkish: طقوز (doquz)
 Pashto: نهه (ps) (nëhë)
 Persian: نُه (fa) (noh) (numeral: ۹) Polish: dziewięć (pl), (collective) dziewięcioro (pl)
 Portuguese: nove (pt)
 Punjabi: ਨੌਂ (nauṅ) (numeral: ੯ (9)) Quechua: isqun, isgon
 Rapa Nui: ka iva
 Romani: enja
 Romanian: nouă (ro)
 Romansch: nov, nouv
 Russian: де́вять (ru) (dévjatʹ), (collective) де́вятеро (ru) (dévjatero)
 Rusyn: де́вять (dévjatʹ)
 S'gaw Karen: ခွံ (khwi)
 Samoan: iva
 Sanskrit: नवम् (sa) (návam)
 Sardinian: noe, noi, nobe
 Campidanese: noi
 Saterland Frisian: njuugen
 Scottish Gaelic: naoi, (persons) naoinear m
 Serbo-Croatian:
 Cyrillic: девет
 Roman: devet
 Shan: ၵဝ်ႈ (kaw3)
 Sichuan Yi: ꈬ (ggu)
 Sicilian: novi (scn)
 Sikkimese: གུ (gu)
 Silesian: dźewjyńć
 Sindhi:  Sinhalese: නවය (si) (navaya)
 Skolt Sami: ååuʹc, åʹhcc
 Slovak: deväť
 Slovene: devét (sl)
 Somali: sagaal
 Sorbian:
 Lower Sorbian: źewjeś
 Upper Sorbian: dźewjeć (hsb)
 Spanish: nueve (es)
 Sranan Tongo: neygi
 Sundanese: salapan (su)
 Swahili: tisa (sw)
 Swedish: nio (sv)
 Tagalog: siyam (tl)
 Tahitian: iva
 Tajik: нуҳ (tg) (nuh), нӯҳ (tg) (nüh)
 Tamil: ஒன்பது (ta) (oṉpatu) (numeral: ௯ (௯)) Tashelhit: tza m, f
 Tatar: тугыз (tt) (tuğız)
 Telugu: తొనిమిది (tonimidi), తొమ్మిది (te) (tommidi) (numeral: ౯ (te) (9)) Thai: เก้า (th) (kào) (numeral: ๙ (th)) Tibetan: དགུ (dgu)
 Tigre: ስዕ (sə‘) (numeral: ፱ (9)) Tigrinya: ትሽዓተ (təšʿatä) (numeral: ፱ (9)) Tocharian A: ñu
 Tocharian B: ñu
 Tok Pisin: nainpela
 Tongan: hiva
 Turkish: dokuz (tr)
 Turkmen: dokuz (tk)
 Tuvaluan: iva
 Tuvan: тос (tos)
 Tz'utujil: (please verify)waxaqi
 Udmurt: укмыс (ukmys)
 Ukrainian: де́в'ять (uk) (dévʺjatʹ), (collective numeral) де́в'ятеро (dévʺjatero)
 Umbrian: 𐌍𐌖𐌅𐌉𐌌 (nuvim)
 Unami: pèshkunk
 Uyghur: توققۇز (ug) (toqquz)
 Uzbek: toʻqqiz (uz)
 Venetian: nove (vec)
 Veps: ühesa
 Vietnamese: chín (vi)
 Volapük: zül (vo)
 Votic: ühesää, үхесээ
 Võro: ütessä
 Walloon: noûf
 Waray-Waray: nuybi
 Warlpiri: ɟaɻukutu
 Welsh: naw (cy)
 West Frisian: njoggen (fy)
 Winnebago: hižąkicųšgųnį
 Xhosa: lithoba
 Yakut: тоҕус (toğus)
 Yiddish: נײַן (nayn)
 Yup'ik: qulngunritaraan, qulngunrita'ar
 Zarma: yegga
 Zulu: isishiyagalolunye
 Zuni: denalekk'ya
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