| Proto-Indo-European | ine-000 | *kos |
| iciBemba | bem-000 | -kos- |
| cmiique | sei-000 | -koš |
| iciBemba | bem-000 | -kós- |
| Ken-nes-te | wlk-000 | -kʼos |
| Kwama | kmq-000 | -kʼoš |
| Twampa | udu-000 | -kʼoš |
| Mattole | mvb-000 | =kʼˈos |
| Gawwada—Dobase | gwd-006 | ?koːs- |
| UNDP Country Codes | art-294 | KOS |
| français | fra-000 | Ko/s |
| Glottolog Languoid Names | art-326 | Kos |
| Ethnologue Language Names | art-330 | Kos |
| asturianu | ast-000 | Kos |
| bosanski | bos-000 | Kos |
| català | cat-000 | Kos |
| Cymraeg | cym-000 | Kos |
| dansk | dan-000 | Kos |
| Deutsch | deu-000 | Kos |
| eesti | ekk-000 | Kos |
| English | eng-000 | Kos |
| euskara | eus-000 | Kos |
| suomi | fin-000 | Kos |
| français | fra-000 | Kos |
| hrvatski | hrv-000 | Kos |
| magyar | hun-000 | Kos |
| Kalenjin | kln-000 | Kos |
| lengua lumbarda | lmo-000 | Kos |
| Malti | mlt-000 | Kos |
| Nederlands | nld-000 | Kos |
| nynorsk | nno-000 | Kos |
| bokmål | nob-000 | Kos |
| Mennoniten-Plautdietsch | pdt-001 | Kos |
| polski | pol-000 | Kos |
| română | ron-000 | Kos |
| slovenčina | slk-000 | Kos |
| slovenščina | slv-000 | Kos |
| åarjelsaemiengïele | sma-000 | Kos |
| davvisámegiella | sme-000 | Kos |
| julevsámegiella | smj-000 | Kos |
| svenska | swe-000 | Kos |
| English | eng-000 | Koš |
| italiano | ita-000 | Koš |
| slovenčina | slk-000 | Koš |
| čeština | ces-000 | Kós |
| hornjoserbšćina | hsb-000 | Kós |
| magyar | hun-000 | Kós |
| Sacapultec | quv-000 | k"oS |
| Dime | dim-000 | k"os |
| Diné bizaad | nav-000 | k"os |
| Temne | tem-000 | k-os |
| Wichita | wic-000 | ko:s |
| Totontepec | mto-000 | koS |
| South Highland Mixe | mxp-002 | koS |
| Crimean Romani | rmn-002 | koS |
| Macedonian Arli Romani | rmn-004 | koS |
| Afrikaans | afr-000 | kos |
| kohtʼaene kenaegeʼ | aht-000 | kos |
| anicinâbemowin | alq-000 | kos |
| toskërishte | als-000 | kos |
| aršatten č’at | aqc-000 | kos |
| Hinonoʼeitiit | arp-000 | kos |
| ISO 639-3 | art-001 | kos |
| ISO 639-2/T | art-002 | kos |
| ISO 639-2/B | art-003 | kos |
| ISO 639 | art-005 | kos |
| Sambahsa-mundialect | art-288 | kos |
| filename extensions | art-335 | kos |
| azərbaycanca | azj-000 | kos |
| Bariai | bch-000 | kos |
| Beja | bej-000 | kos |
| Eastern Balti | bft-001 | kos |
| Western Balti | bft-008 | kos |
| Itaŋikom | bkm-000 | kos |
| bosanski | bos-000 | kos |
| brezhoneg | bre-000 | kos |
| bălgarski ezik | bul-001 | kos |
| Buli | bzq-000 | kos |
| Chimané | cas-000 | kos |
| čeština | ces-000 | kos |
| Slijuala xanuk | chd-000 | kos |
| Middle Cornish | cnx-000 | kos |
| Kernowek | cor-000 | kos |
| Dalmatian | dlm-000 | kos |
| dolnoserbska reč | dsb-000 | kos |
| Tadáksahak | dsq-000 | kos |
| Dutton Speedwords | dws-000 | kos |
| Jóola-Fóoñi | dyo-000 | kos |
| English | eng-000 | kos |
| Fate | erk-000 | kos |
| ewondo | ewo-000 | kos |
| suomi | fin-000 | kos |
| Fas | fqs-000 | kos |
| français | fra-000 | kos |
| Giri | geb-000 | kos |
| Srpskohrvatski | hbs-001 | kos |
| ISO 259-3 | heb-001 | kos |
| ivrit | heb-002 | kos |
| Halia | hla-000 | kos |
| Hmoob | hnj-000 | kos |
| hrvatski | hrv-000 | kos |
| Huave de San Francisco Del Mar | hue-000 | kos |
| magyar | hun-000 | kos |
| bahasa Indonesia | ind-000 | kos |
| la lojban. | jbo-000 | kos |
| Kurmancî | kmr-000 | kos |
| Komi | kpv-001 | kos |
| Kato | ktw-000 | kos |
| Limburgs | lim-000 | kos |
| latviešu | lvs-000 | kos |
| Mengisa | mct-000 | kos |
| Mocoví | moc-000 | kos |
| Mouk | mwh-001 | kos |
| nynorsk | nno-000 | kos |
| bokmål | nob-000 | kos |
| Nera | nrb-000 | kos |
| Old Nara | nrb-001 | kos |
| Old Cornish | oco-000 | kos |
| Papiamentu | pap-000 | kos |
| فارسی | pes-000 | kos |
| polski | pol-000 | kos |
| Pasi | psq-000 | kos |
| Kriol | rop-000 | kos |
| slovenščina | slv-000 | kos |
| shqip | sqi-000 | kos |
| srpski | srp-001 | kos |
| Ślůnsko godka | szl-000 | kos |
| Proto-Western-Tibetan | tbq-004 | kos |
| Temne | tem-000 | kos |
| Sudest | tgo-000 | kos |
| Tukudede | tkd-000 | kos |
| Tok Pisin | tpi-000 | kos |
| kuśiññe | txb-000 | kos |
| udin muz | udi-000 | kos |
| Uyghurche | uig-001 | kos |
| Ken-nes-te | wlk-000 | kos |
| Set-ten-bi-den ka-ah | wlk-001 | kos |
| Northern Sinkyone | wlk-003 | kos |
| Tʼohkʼah-biiʼ-kiiyaah | wlk-006 | kos |
| Eel River Wailaki | wlk-007 | kos |
| Southern Sinkyone | wlk-008 | kos |
| Lassik | wlk-009 | kos |
| Tokharian A | xto-000 | kos |
| yidish | ydd-001 | kos |
| Zayse-Zergulla | zay-000 | kos |
| Bahasa Malaysia | zsm-000 | kos |
| Kırgızça | kir-002 | koş |
| Kurmancî | kmr-000 | koş |
| Karahanlı Türkçesi | otk-001 | koş |
| Türkçe | tur-000 | koş |
| Türkçe | tur-000 | koş- |
| toskërishte | als-000 | koš |
| Náhuat Zacapoaxtla | azz-000 | koš |
| čeština | ces-000 | koš |
| hanácké | ces-002 | koš |
| Srpskohrvatski | hbs-001 | koš |
| hrvatski | hrv-000 | koš |
| hornjoserbšćina | hsb-000 | koš |
| līvõ kēļ | liv-000 | koš |
| Shabo | sbf-000 | koš |
| Shirishana | shb-000 | koš |
| slovenčina | slk-000 | koš |
| slovenščina | slv-000 | koš |
| srpski | srp-001 | koš |
| Ślůnsko godka | szl-000 | koš |
| karaj tili | kdr-001 | koš- |
| siksiká | bla-000 | koʼs |
| Beja | bej-000 | koːs |
| Verkhne-Kalymsk | kca-002 | koːs |
| Vartovskoje | kca-004 | koːs |
| Likrisovskoje | kca-005 | koːs |
| Malyj Jugan | kca-006 | koːs |
| Tremjugan | kca-007 | koːs |
| Jugan | kca-008 | koːs |
| Nera | nrb-000 | koːs |
| ɓàsàa | bas-000 | kòs |
| iciBemba | bem-000 | kòs |
| Daba | dbq-000 | kòs |
| kreyòl ayisyen | hat-000 | kòs |
| ɓàsàa | bas-000 | kós |
| dolnoserbska reč | dsb-000 | kós |
| føroyskt | fao-000 | kós |
| hornjoserbšćina | hsb-000 | kós |
| hanácké | ces-002 | kôs |
| slovenčina | slk-000 | kôŠ |
| slovenčina | slk-000 | kôš |
| íslenska | isl-000 | kös |
| Türkçe | tur-000 | kös |
| Qazaq tili | kaz-002 | köş |
| aršatten č’at | aqc-000 | kʼos |
| Dinakʼi | kuu-000 | kʼos |
| Diné bizaad | nav-000 | kʼos |
| Twampa | udu-000 | kʼos |
| Madiin | xom-000 | kʼoš |
| Kwama | kmq-000 | kʼóš |
| arevelahayeren | hye-002 | kˀoš |
| Selknam | ona-000 | kˀoš |
| Selknam | ona-000 | kˀoṣ |
| Tehuelche | teh-000 | ʼkˀōš- |
| ISO 639-PanLex | art-274 | kos-000 |
| Ulterior Mixe C | sai-047 | koS3 |
| afa-n ari | aiw-000 | k"oS3ma |
| chiShona | sna-000 | -kosa |
| Kiswahili | swh-000 | -kosa |
| tshiVenḓa | ven-000 | -kosa |
| Ngazidja Comorian | zdj-000 | -kosa |
| Luba-Lulua | lua-000 | -kòsa |
| Amadi | msj-000 | -kósa- |
| Glottolog Languoid Names | art-326 | Kosa |
| Ethnologue Language Names | art-330 | Kosa |
| čeština | ces-000 | Kosa |
| Esperanto | epo-000 | Kosa |
| latviešu | lvs-000 | Kosa |
| polski | pol-000 | Kosa |
| oʻzbek | uzn-000 | Kosa |
| Afrikaans | afr-000 | Kôsa |
| English | eng-000 | Kōsa |
| Gumuz | guk-005 | k"osa |
| नेपाल भाषा | new-000 | ko*sa |
| Sopvoma | nbi-001 | ko-sa |
| hiMxI | hin-004 | koSa |
| थामी | thf-000 | koSa |
| Dihovo | mkd-003 | kos-a |
| Aynu itak | ain-004 | kosa |
| Lingwa de Planeta | art-287 | kosa |
| azərbaycanca | azj-000 | kosa |
| holupaka | bef-000 | kosa |
| bosanski | bos-000 | kosa |
| bălgarski ezik | bul-001 | kosa |
| čeština | ces-000 | kosa |
| hanácké | ces-002 | kosa |
| slověnĭskŭ językŭ | chu-001 | kosa |
| Middle Cornish | cnx-000 | kosa |
| Kernowek | cor-000 | kosa |
| South Central Dinka | dib-000 | kosa |
| Mussau-Emira | emi-000 | kosa |
| Esperanto | epo-000 | kosa |
| Fuyuge | fuy-000 | kosa |
| Srpskohrvatski | hbs-001 | kosa |
| Hehe | heh-000 | kosa |
| hrvatski | hrv-000 | kosa |
| hornjoserbšćina | hsb-000 | kosa |
| Ili'uun | ilu-000 | kosa |
| bahasa Indonesia | ind-000 | kosa |
| Iraqw | irk-000 | kosa |
| Nihongo | jpn-001 | kosa |
| bežƛʼalas mic | kap-001 | kosa |
| Koch | kdq-000 | kosa |
| Kewa | kew-000 | kosa |
| ikinyarwanda | kin-000 | kosa |
| Konzo | koo-000 | kosa |
| Komi | kpv-001 | kosa |
| Koita | kqi-000 | kosa |
| Kinyamunsange | lea-001 | kosa |
| Lenje | leh-000 | kosa |
| Oluluyia | luy-000 | kosa |
| latviešu | lvs-000 | kosa |
| mokshenj kalj | mdf-001 | kosa |
| Mpongwe | mye-000 | kosa |
| Ngoni | ngo-000 | kosa |
| Lunyole | nuj-000 | kosa |
| Old Cornish | oco-000 | kosa |
| Hñähñu | ote-000 | kosa |
| Paulohi | plh-000 | kosa |
| polski | pol-000 | kosa |
| Pumā | pum-000 | kosa |
| Urin Buliwya | quh-000 | kosa |
| Impapura | qvi-000 | kosa |
| Roman | rmc-000 | kosa |
| russkij | rus-001 | kosa |
| Shabo | sbf-000 | kosa |
| slovenčina | slk-000 | kosa |
| slovenščina | slv-000 | kosa |
| srpski | srp-001 | kosa |
| Shimaore | swb-000 | kosa |
| svenska | swe-000 | kosa |
| Kiswahili | swh-000 | kosa |
| udin muz | udi-000 | kosa |
| Uyghurche | uig-001 | kosa |
| Emakhua | vmw-000 | kosa |
| Kwaza | xwa-000 | kosa |
| Yukpa | yup-000 | kosa |
| Ngazidja Comorian | zdj-000 | kosa |
| ʔanhpün tzame | zoh-000 | kosa |
| Bahasa Malaysia | zsm-000 | kosa |
| bălgarski ezik | bul-001 | kosá |
| russkij | rus-001 | kosá |
| Mbre | mka-000 | kosã |
| Gāndhāri | pgd-000 | kośa |
| Karahanlı Türkçesi | otk-001 | koşa |
| oʻzbek | uzn-000 | koʻsa |
| Amaimon | ali-000 | koːsa |
| Beja | bej-000 | koːsa |
| y˦tɕiu˦ɦo˨ | wuu-007 | ko˦˥ sa˥˦˥ |
| y˦tɕiu˦ɦo˨ | wuu-007 | ko˨˩ sa˦˦ |
| Yaminahua | yaa-000 | koṣ̌a |
| kaszëbsczi jãzëk | csb-000 | kòsa |
| Srpskohrvatski | hbs-001 | kòsa |
| èdè Yorùbá | yor-000 | kó sá |
| dolnoserbska reč | dsb-000 | kósa |
| Bontoc—Guinaang | lbk-002 | kósa |
| Guina-ang Bontoc (generic orthography) | lbk-009 | kósa |
| Yukpa | yup-000 | kósa |
| lìwàànzí | wdd-000 | kósá |
| èdè Yorùbá | yor-000 | kósá |
| lìwàànzí | wdd-000 | kósâ |
| Bangi | bni-000 | kôsa |
| azərbaycanca | azj-000 | kösa |
| Tsétsêhéstaestse | chy-000 | kösa |
| Gumuz Sai | guk-000 | kʼosa |
| èdè Yorùbá | yor-000 | kọ́ sá |
| èdè Yorùbá | yor-000 | kọ́ ṣà |
| èdè Yorùbá | yor-000 | kọ́ ṣá |
| èdè Yorùbá | yor-000 | kọ́sá |
| èdè Yorùbá | yor-000 | kọ́ṣà |
| èdè Yorùbá | yor-000 | kọ́ṣá |
| Ili'uun | ilu-000 | ʼkosa |
