Check below first. We may have it already. |
| Afrikaans | afr-000 | moedertaal |
| bamanankan | bam-000 | todunkan |
| bokmål | nob-000 | morsmål |
| Budinos | fiu-001 | anjakela |
| català | cat-000 | llengua materna |
| čeština | ces-000 | rodný jazyk |
| čeština | ces-000 | mateřský jazyk |
| Chanka rimay | quy-000 | mama simi |
| Cymraeg | cym-000 | mamiaith |
| dansk | dan-000 | modersmål |
| Deutsch | deu-000 | Muttersprache |
| Deutsch | deu-000 | einheimischer Dialekt |
| eesti | ekk-000 | emakeel |
| English | eng-000 | first language |
| English | eng-000 | mother tongue |
| English | eng-000 | native language |
| English | eng-000 | native tongue |
| English | eng-000 | vernacular |
| English | eng-000 | mother language |
| English | eng-000 | maternal language |
| español | spa-000 | lengua materna |
| español | spa-000 | lengua nativa |
| Esperanto | epo-000 | indiĝena lingvo |
| Esperanto | epo-000 | patrina lingvo |
| Esperanto | epo-000 | denaska lingvo |
| euskara | eus-000 | ama hizkuntza |
| français | fra-000 | langue d’origine |
| français | fra-000 | langue maternelle |
| français | fra-000 | langue native |
| Frysk | fry-000 | memmetaal |
| Gaeilge | gle-000 | teanga dhúchais |
| galego | glg-000 | lingua materna |
| hrvatski | hrv-000 | izvorni jezik |
| hrvatski | hrv-000 | narodni jezik |
| hrvatski | hrv-000 | lokalni jezik |
| hrvatski | hrv-000 | materinji jezik |
| hrvatski | hrv-000 | materinski |
| hrvatski | hrv-000 | materinski jezik |
| ʻōlelo Hawaiʻi | haw-000 | ʻōlelo makua |
| Iloko | ilo-000 | díla |
| Impapura | qvi-000 | mamak-shimi |
| íslenska | isl-000 | móðurmál |
| italiano | ita-000 | lingua madre |
| italiano | ita-000 | lingua materna |
| italiano | ita-000 | madrelingua |
| italiano | ita-000 | madre lingua |
| italiano | ita-000 | lingua nativa |
| italiano | ita-000 | prima lingua |
| Kurmancî | kmr-000 | zimanê dayikî |
| Kurmancî | kmr-000 | zimanê zikmakî |
| latviešu | lvs-000 | dzimtā valoda |
| Lëtzebuergesch Sprooch | ltz-000 | Mammesprooch |
| lietuvių | lit-000 | gimtoji kalba |
| Limburgs | lim-000 | modertaal |
| lingua corsa | cos-000 | lingua materna |
| magyar | hun-000 | anyanyelv |
| Nederlands | nld-000 | moedertaal |
| Nederlands | nld-000 | moerstaal |
| Nederlands | nld-000 | taal van oorsprong |
| nynorsk | nno-000 | morsmål |
| Plattdüütsch | nds-000 | Moderspraak |
| polski | pol-000 | język ojczysty |
| polski | pol-000 | język rodzimy |
| português | por-000 | língua de origem |
| português | por-000 | língua materna |
| português | por-000 | língua nativa |
| Qusqu qhichwa simi | quz-000 | mama simi |
| reo Māori | mri-000 | reo tupu |
| română | ron-000 | limbă maternă |
| română | ron-000 | limba maternă |
| Shukllachishka Kichwa | que-001 | mamac-shimi |
| slovenčina | slk-000 | materinský jazyk |
| slovenščina | slv-000 | materinščina |
| slovenščina | slv-000 | materni jezik |
| suomi | fin-000 | äidinkieli |
| svenska | swe-000 | modersmål |
| tiếng Việt | vie-000 | bản ngữ |
| Tłįchǫ | dgr-000 | dǫ yatiì |
| Tok Pisin | tpi-000 | tokples |
| Tok Pisin | tpi-000 | as tok |
| toskërishte | als-000 | gjuhë amëtare |
| Türkçe | tur-000 | anadil |
| Türkçe | tur-000 | anadili |
| türkmen | tuk-000 | ene dili |
| yn Ghaelg | glv-000 | chengey ny mayrey |
| yn Ghaelg | glv-000 | ghlare ghooie |
| ελληνικά | ell-000 | μητρική γλώσσα |
| български | bul-000 | майчин език |
| русский | rus-000 | местный говор |
| русский | rus-000 | базовый язык |
| русский | rus-000 | праязык |
| русский | rus-000 | машинный язык |
| русский | rus-000 | родная речь |
| русский | rus-000 | родной язык |
| русский | rus-000 | собственный язык |
| српски | srp-000 | maternji jezik |
| удмурт кыл | udm-000 | анай кыл |
| ייִדיש | ydd-000 | מאַמע־לשון |
| ייִדיש | ydd-000 | מוטער־שפּראַך |
| עברית | heb-000 | שפת אם |
| اردو | urd-000 | مادری زبان |
| العربية | arb-000 | لُغة الأُم |
| زمانێ کوردی | ckb-000 | زمانی |
| فارسی | pes-000 | زبان مادری |
| हिंदी | hin-000 | मातृभाषा |
| ગુજરાતી ભાષા | guj-000 | માતૃભાષા |
| தமிழ் | tam-000 | தாய் மொழி |
| తెలుగు | tel-000 | అమ్మభాష |
| తెలుగు | tel-000 | మాతృభాష |
| ภาษาไทย | tha-000 | ภาษาแม่ |
| ภาษาไทย | tha-000 | ภาษาที่พูดมาแต่กําเนิด |
| ภาษาไทย | tha-000 | ภาษาของพ่อแม่ |
| ภาษาไทย | tha-000 | ภาษาที่พูดมาตั้งแต่เด็ก |
| 日本語 | jpn-000 | 母国語 |
| 日本語 | jpn-000 | 土語 |
| 日本語 | jpn-000 | 母語 |
| 简体字 | cmn-000 | 本国语 |
| 简体字 | cmn-000 | 本国语言 |
| 简体字 | cmn-000 | 母语 |
| 简体字 | cmn-000 | 本族语 |
| 简体字 | cmn-000 | 本机语言 |
| 繁體中文 | cmn-001 | 本國語 |
| 繁體中文 | cmn-001 | 母語 |
| 繁體中文 | cmn-001 | 本族語 |
