Deep Cut +85KamakãKamarianKamarupi PrakritKamasKamas TurkKambojanKamuKamurúKanietKankuamoKansaKarakhanidKaramanli TurkishKaramiKarankawaKariaíKaripuna (Jau-Navo)KarkinKasabeKaskianKassiteKatabanganKathlametKatoKaurnaKayeliKazukuruKedeKehekKemi SamiKenaboiKepkiriwátKerekKhazarKhitanKhorezmian TurkicKhotaneseKhotonKhwarezmianKiautschou German pidginKilijiKilitKings River YokutsKipchakKipeáKiriri of MirandelaKitanemukKitsaiKizlar-MozdokianKlallamKlamathKlezmer-loshnKnaanicKoerunaKok-NarKonomihuKoraKoropóKotoxóKottKpatiKraasnaKrevinianKubiKukatjKulonKungarakanyKunzaKustenauKw'adzaKwadiKwalhioqua-ClatskanieKyakalaKyakhta Russian-Chinese PidginLabrador Inuit Pidgin FrenchLacheLachoudischLaghuLaiuse RomaniLake MiwokLanuvianLate Middle OdiaLate Old PortugueseLatji-LatjiLauaLaurentianLebanese AramaicLeinster IrishLeivuLekwungen dialect of North Straits SalishLelakLemnianLencaLeponticLewuLiburnianLihyaniteLiliLimilnganLipan ApacheLisan al-GharbiLittle SwanportLivonianIts last native speaker died in 2013, in Canadian exile.LombardicLongjiaLotegorischLounLoupLower ArrernteLower ChehalisLower ChinookLower ChulymLower NossobLubankiLucanianLudzaLuhuLuilangLuiseñoLuleLullubianLurenLushootseedLusitanianLuwianLycaonianLycianLydianMacaguajeMacorixMadhi MadhiMagianaMahanMahicanMaiduMainatariMaipureMakahMakolkolMáku (Jukude)MakuvaMalabaMalacatoMalalíMalaryanMalatiaMalganaMalibúMamluk-KipchakMamuliqueManaoMandanMandawacaMangalaMangalóMangueManitsauáMannaeanManxNed Maddrell's death in 1974 ended it as a mother tongue.MapiaMaratinoMarau WawaMarawánMarcho-MagdeburgianMardijker CreoleMaridi ArabicMaritime Polynesian PidginMarrguMarrucinianMarsianMartha's Vineyard Sign LanguageMarti KeMartuthuniraMasakaráMassachusettMassachusett PidginMatagalpaMatagiMatngalaMatorMattoleMawaMawesMayi-KutunaMaynasMbabaramMbaraMbara-YangaMbariman-GudhinmaMbiywomMedianMediterranean Lingua FrancaMednyj AleutMeniénMepuriMeroiticMeryaMeshcheraMesmesMessapianMiami-IllinoisMicronesian Pidgin EnglishMiddle 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IrishNgadjunmayaNgadjuriNgalakganNgaminiNgandiNganyaywanaNgarigoNgarnkaNgasaNgawunNgbeeNgomburrNgumbarlNgunnawal-GundungurraNguraNgurmburNhlangwiniNicolaNicoleñoNilaNimanburruNisenanNiuatoputapuNocamanNomlakiNonuyaNooksackNootka JargonNoriNoricNorman TasmanianNornNorth PiceneNortheastern PomoNorthern KalapuyaNorthern PomoNorthern Sierra MiwokNottowayNuchatlaht dialect of Nuu-chah-nulthNuenonneNumidianNungaliNutabeNyang'iNyawaygiNyulnyulObispeñoOenotrianOfoOkjeoOkolOkwanuchuOld AlbanianOld ArabicOld AragoneseOld AzeriOld BalineseOld BasqueOld BengaliOld BretonOld BurmeseOld CatalanOld CatioOld Cayman Sign LanguageOld ChamOld ChineseOld Church SlavonicOld CroatianOld CzechOld DhivehiOld DutchOld East SlavicOld EstonianOld FinnishOld French Sign LanguageOld FrisianOld Gallo-ItalicOld Gallo-RomanceOld GeorgianOld GujaratiOld GutnishOld HausaOld High GermanOld Hijazi ArabicOld HindiOld HungarianOld IrishOld ItalianOld JapaneseOld JavaneseOld KazeruniOld Kentish Sign LanguageOld KhmerOld 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LatinPanoboPantágoraPantanaguaPantellerian ArabicPanzaleoPapalePaphlagonianPapora-HoanyaPapuan Pidgin EnglishParatioParaujanoParavilhanaParawanaParedarermeParthianPaséPastoPatagónPataxó Hã-Ha-HãePatwinPaulista General LanguagePauxianaPawishianaPayaguaPazeh