| Proto-Awyu | ngf-002 | *ro |
| Agarabi | agd-000 | -ro |
| Bilibil | brz-000 | -ro |
| Cayuvava | cyb-000 | -ro |
| Toro So Dogon | dts-000 | -ro |
| euskara | eus-000 | -ro |
| asụsụ Igbo | ibo-000 | -ro |
| Boroŋ | ksr-000 | -ro |
| manju gisun | mnc-000 | -ro |
| Barí | mot-000 | -ro |
| Yine | pib-000 | -ro |
| Sidaama | sid-000 | -ro |
| Tarpia | tpf-000 | -ro |
| Tuyuca | tue-000 | -ro |
| Yagua | yad-000 | -ro |
| asụsụ Igbo | ibo-000 | -rò |
| Nyarafolo Senoufo | sev-000 | -rō |
| asụsụ Igbo | ibo-000 | -rọ |
| asụsụ Igbo | ibo-000 | -rọ̀ |
| English | eng-000 | R.O. |
| español | spa-000 | R.O. |
| ISO 3166 alpha | art-006 | RO |
| català | cat-000 | RO |
| English | eng-000 | RO |
| galego | glg-000 | RO |
| hrvatski | hrv-000 | RO |
| bahasa Indonesia | ind-000 | RO |
| 日本語 | jpn-000 | RO |
| Rumuhei | klq-000 | RO |
| português | por-000 | RO |
| português brasileiro | por-001 | RO |
| português europeu | por-002 | RO |
| slovenščina | slv-000 | RO |
| español | spa-000 | RO |
| Ro | art-038 | Ro |
| Glottolog Languoid Names | art-326 | Ro |
| Ethnologue Language Names | art-330 | Ro |
| Deutsch | deu-000 | Ro |
| English | eng-000 | Ro |
| suomi | fin-000 | Ro |
| Srpskohrvatski | hbs-001 | Ro |
| bahasa Indonesia | ind-000 | Ro |
| italiano | ita-000 | Ro |
| Kurmancî | kmr-000 | Ro |
| lietuvių | lit-000 | Ro |
| Kimachame | jmc-000 | r*o |
| Keni | rof-002 | r*o |
| Mamba | zmb-000 | r*o |
| Kyivunjo | vun-000 | r^o |
| Agarabi | agd-000 | ro |
| Angor | agg-000 | ro |
| Ashe | ahs-000 | ro |
| Aynu itak | ain-004 | ro |
| Saru hōgen | ain-012 | ro |
| Angkola | akb-000 | ro |
| Apalaí | apy-000 | ro |
| ISO 639-1 | art-004 | ro |
| Na’vi | art-011 | ro |
| Dʼni | art-173 | ro |
| Euransi | art-247 | ro |
| Llárriésh | art-258 | ro |
| IETF language tags | art-420 | ro |
| asturianu | ast-000 | ro |
| Hata Batak | bbc-000 | ro |
| Bai | bdj-000 | ro |
| Bahnar | bdq-000 | ro |
| Biak | bhw-000 | ro |
| Ẹ̀dó | bin-000 | ro |
| Bagirmi | bmi-000 | ro |
| Bum | bmv-000 | ro |
| bod skad | bod-001 | ro |
| Bongo | bot-000 | ro |
| brezhoneg | bre-000 | ro |
| Mòkpè | bri-000 | ro |
| Mandailing | btm-000 | ro |
| Buin | buo-000 | ro |
| Lubukusu | bxk-000 | ro |
| Bayono | byl-000 | ro |
| Babuza | bzg-000 | ro |
| Kaliʼna | car-000 | ro |
| català | cat-000 | ro |
| Cashibo | cbr-000 | ro |
| Rukiga | cgg-000 | ro |
| Ron-Bokkos | cla-000 | ro |
| Middle Cornish | cnx-000 | ro |
| Kernowek | cor-000 | ro |
| Cayuvava | cyb-000 | ro |
| dansk | dan-000 | ro |
| Negerhollands | dcr-000 | ro |
| Deutsch | deu-000 | ro |
| South Central Dinka | dib-000 | ro |
| Zazaki | diq-000 | ro |
| Darmiya | drd-000 | ro |
| Dutton Speedwords | dws-000 | ro |
| Ehueun | ehu-000 | ro |
| Markweta | enb-000 | ro |
| English | eng-000 | ro |
| Esperanto | epo-000 | ro |
| Aten | etx-000 | ro |
| français | fra-000 | ro |
| bèle fòòr | fvr-000 | ro |
| Gadsup | gaj-000 | ro |
| taetae ni Kiribati | gil-000 | ro |
| Gàidhlig | gla-000 | ro |
| yn Ghaelg | glv-000 | ro |
| Gabu | gox-000 | ro |
| Kuku-Mini | gtu-000 | ro |
| avañeʼẽ | gug-000 | ro |
| Chiriguano | gui-000 | ro |
| Gujrātī | guj-001 | ro |
| kreyòl ayisyen | hat-000 | ro |
| Haya | hay-000 | ro |
| hiMxI | hin-004 | ro |
| Hunde | hke-000 | ro |
| hrvatski | hrv-000 | ro |
| hornjoserbšćina | hsb-000 | ro |
| Humene | huf-000 | ro |
| Sabu | hvn-000 | ro |
| Nuo su | iii-001 | ro |
| bahasa Indonesia | ind-000 | ro |
| Ipiko | ipo-000 | ro |
| Irarutu | irh-000 | ro |
| italiano | ita-000 | ro |
| basa Jawa | jav-000 | ro |
| la lojban. | jbo-000 | ro |
| Loglan | jbo-001 | ro |
| Nihongo | jpn-001 | ro |
| Bhāṣa Kawi | kaw-000 | ro |
| Manga Kanuri | kby-000 | ro |
| Kewa | kew-000 | ro |
| ikinyarwanda | kin-000 | ro |
| Agöb—Dabu | kit-000 | ro |
| Ende-Agob—Dabu | kit-001 | ro |
| Kawam-Kibuli | kit-002 | ro |
| Urama | kiw-002 | ro |
| Urama | kiw-005 | ro |
| Kiwai | kjd-000 | ro |
| Tureture | kjd-001 | ro |
| Domori | kjd-002 | ro |
| Mawata | kjd-003 | ro |
| Kisar | kje-000 | ro |
| Khaling | klr-000 | ro |
| Kurmancî | kmr-000 | ro |
| Kanuri | knc-000 | ro |
| Karajá | kpj-000 | ro |
| Doromu—Kasunomu-Amuraika-Aramaika | kqc-001 | ro |
| Doromu-Koki—Koriko-Bareika | kqc-002 | ro |
| Doromu | kqc-003 | ro |
| Koro | krf-000 | ro |
| Kaba | ksp-000 | ro |
| Kuria | kuj-000 | ro |
| Kuria Tarime | kuj-001 | ro |
| Dobel | kvo-000 | ro |
| Tungag | lcm-000 | ro |
| Láadan | ldn-000 | ro |
| Lendu Njawdha | led-003 | ro |
| Lingua Franca Nova | lfn-000 | ro |
| Li'o | ljl-000 | ro |
| Lamboya | lmy-000 | ro |
| Lasgerdi | lsa-000 | ro |
| Saamia | lsm-000 | ro |
| Wǎnqí Zhōnggǔ Hànyǔ | ltc-001 | ro |
| Oluganda | lug-000 | ro |
| Lucumí | luq-000 | ro |
| Duhlian ṭawng | lus-000 | ro |
| Kajin M̧ajeļ | mah-000 | ro |
| Orkon | map-009 | ro |
| Jñatio | maz-000 | ro |
| Maisin | mbq-000 | ro |
| Mbum | mdd-000 | ro |
| Mambae | mgm-000 | ro |
| Manda | mha-000 | ro |
| Abirpara Mahali | mjx-000 | ro |
| Matindor Mahali | mjx-001 | ro |
| Tamambo | mla-000 | ro |
| Muna | mnb-000 | ro |
| Mono | mnh-000 | ro |
| Mocoví | moc-000 | ro |
| Merlav | mrm-000 | ro |
| Merlav Merig | mrm-001 | ro |
| Mosina | msn-000 | ro |
| Vurës | msn-001 | ro |
| Mosina Vetumboso | msn-002 | ro |
| Mündü | muh-000 | ro |
| Mamboru | mvd-000 | ro |
| Mpongwe | mye-000 | ro |
| dorerin Naoero | nau-000 | ro |
| Balep | nbb-001 | ro |
| Ekparabong | nbb-002 | ro |
| Siagha | ngf-006 | ro |
| Yenimu | ngf-007 | ro |
| nynorsk | nno-000 | ro |
| bokmål | nob-000 | ro |
| Nyambo | now-000 | ro |
| Norn | nrn-000 | ro |
| Runyankore | nyn-000 | ro |
| Runyoro | nyo-000 | ro |
| provençau, nòrma mistralenca | oci-002 | ro |
| Old Cornish | oco-000 | ro |
| Ọgbà | ogc-000 | ro |
| Okpe | oke-000 | ro |
| Oksapmin | opm-000 | ro |
| Hñähñu | ote-000 | ro |
| awaete | pak-000 | ro |
| langue picarde | pcd-000 | ro |
| Piti | pcn-000 | ro |
| Petapa Taje | pee-000 | ro |
| Pengo | peg-000 | ro |
| fiteny Malagasy | plt-000 | ro |
| Kamboa | pnp-000 | ro |
| polski | pol-000 | ro |
| Qiāngyǔ Lóngxīhuà | qxs-001 | ro |
| Tegali | ras-001 | ro |
| Rengao | ren-000 | ro |
| Nyaturu | rim-000 | ro |
| română | ron-000 | ro |
| Luguru | ruf-000 | ro |
| Kiruwa | rwk-000 | ro |
| Sedang | sed-000 | ro |
| Kipsikiis | sgc-000 | ro |
| Saek | skb-000 | ro |
| Seke | ske-000 | ro |
| slovenščina | slv-000 | ro |
| Soninkanxaane | snk-000 | ro |
| Sengi | snu-000 | ro |
| Temi | soz-000 | ro |
| español | spa-000 | ro |
| So'a | ssq-000 | ro |
| Shark Bay | ssv-000 | ro |
| Vincentian Creole | svc-000 | ro |
| Shimaore | swb-000 | ro |
| svenska | swe-000 | ro |
| Sere | swf-000 | ro |
| Sowa | sww-000 | ro |
| Suba | sxb-000 | ro |
| Sinyar | sys-000 | ro |
| Formona | sys-001 | ro |
| Tagbu | tbm-000 | ro |
| Galo | tbq-005 | ro |
| Tumtum | tbr-000 | ro |
| Tetun-Los | tdt-001 | ro |
| Temne | tem-000 | ro |
| Tulishi | tey-000 | ro |
| Tigak | tgc-000 | ro |
| tlhIngan Hol | tlh-000 | ro |
| Avava | tmb-000 | ro |
| Tupí | tpw-000 | ro |
| Tooro | ttj-000 | ro |
| Tera | ttr-000 | ro |
| Torau | ttu-000 | ro |
| Teun | tve-000 | ro |
| Malagasy Tanosy—Tolagnaro | txy-001 | ro |
| Talossan | tzl-000 | ro |
| Uyghurche | uig-001 | ro |
| uki-000 | ro |
| Ukue | uku-000 | ro |
| Mundari | unr-000 | ro |
| Urhobo | urh-000 | ro |
| tshiVenḓa | ven-000 | ro |
| Kilema | vun-001 | ro |
| La | wbm-006 | ro |
| Waropen | wrp-000 | ro |
| Cisalpine Gaulish | xcg-000 | ro |
| Galatian | xga-000 | ro |
| Sharpa | xsr-002 | ro |
| Kadugli-Miri | xtc-002 | ro |
| Yakamul | ykm-000 | ro |
| èdè Yorùbá | yor-000 | ro |
| didxazá | zai-000 | ro |
| Zinza | zin-000 | ro |
| Pa-Zande | zne-000 | ro |
| Bahasa Malaysia | zsm-000 | ro |
| bod skad | bod-001 | ro* |
| Ehueun | ehu-000 | ro* |
| fra*sE | fra-009 | ro* |
| Okpe | oke-000 | ro* |
| Asue Awyu | psa-000 | ro* |
| Ukue | uku-000 | ro* |
| Na’vi | art-011 | ro+ |
| Abui | abz-000 | ro- |
| Llárriésh | art-258 | ro- |
| Binandere | bhg-000 | ro- |
| Kemberano—Kalitami-Weriagar | bzp-000 | ro- |
| Gàidhlig | gla-000 | ro- |
| Gaeilge | gle-000 | ro- |
| yn Ghaelg | glv-000 | ro- |
| Nihongo | jpn-001 | ro- |
| Kâte | kmg-000 | ro- |
| Koita | kqi-000 | ro- |
| Kunimaipa | kup-000 | ro- |
| Láadan | ldn-000 | ro- |
| W. Mape | mlh-000 | ro- |
| Asue Awyu | psa-000 | ro- |
| Inanwatan | szp-000 | ro- |
| Urigina | urg-000 | ro- |
| Wamas | wmc-000 | ro- |
| Pa-Zande | zne-000 | ro- |
| Vurës | msn-001 | ro= |
| Gutob | gbj-000 | ro? |
| tlhIngan Hol | tlh-000 | roʼ |
| Puliklah | yur-000 | roʼ |
| Zapoteco de San Dionisio Ocotepec | ztu-000 | roʼ |
| Birale | bxe-000 | roː |
| Fongoro | fgr-000 | roː |
| Kari | kbn-000 | roː |
| Oirata | oia-000 | roː |
| Kadma Santali | sat-012 | roː |
| Bandugara Mundari | unr-003 | roː |
| Limbum | lmp-000 | ro˩˥ |
| Lé | art-388 | rò |
| Togo-Kan | dtk-002 | rò |
| Kanuri | knc-000 | rò |
| Koyo | koh-000 | rò |
| Ọgbà | ogc-000 | rò |
| tiếng Việt | vie-000 | rò |
| Banda-Yangere | yaj-000 | rò |
| èdè Yorùbá | yor-000 | rò |
| Mono | mru-000 | ròː |
| Pam | pmn-000 | ròː |
| Llárriésh | art-258 | ró |
| čeština | ces-000 | ró |
| Gaeilge | gle-000 | ró |
| magyar | hun-000 | ró |
| íslenska | isl-000 | ró |
| Yaur | jau-000 | ró |
| Krongo | kgo-000 | ró |
| Dobel | kvo-000 | ró |
| paternese | nap-002 | ró |
| norskr | non-000 | ró |
| lia-tetun | tet-000 | ró |
| tiếng Việt | vie-000 | ró |
| èdè Yorùbá | yor-000 | ró |
| truk | chk-000 | ró- |
| Dongo | doo-000 | ró- |
| Gaeilge | gle-000 | ró- |
| Ron-Bokkos | cla-000 | rô |
| diutisk | goh-000 | rô |
| Halang | hal-000 | rô |
| Kanuri | knc-000 | rô |
| português | por-000 | rô |
| tiếng Việt | vie-000 | rô |
| avañeʼẽ | gug-000 | rõ |
| Asue Awyu | psa-000 | rõ |
| Bodobelghoria Santali | sat-003 | rõ |
| Jabri Santali | sat-004 | rõ |
| Paharpur Santali | sat-005 | rõ |
| Patichora Santali | sat-006 | rõ |
| Rajarampur Santali | sat-007 | rõ |
| Rashidpur Santali | sat-008 | rõ |
| Rautnagar Santali | sat-009 | rõ |
| tiếng Việt | vie-000 | rõ |
| Hatsara Santali | sat-010 | rõː |
| Simoldohi Santali | sat-013 | rõː |
| Tikahara Santali | sat-014 | rõː |
| reo Māori | mri-000 | rö |
| Mundang-2 | mua-003 | rö |
| svenska | swe-000 | rö |
| Cha7³¹ tinyan³ | ctz-000 | rō |
| ʻōlelo Hawaiʻi | haw-000 | rō |
| Ik | ikx-000 | rō |
| Muna | mnb-000 | rō |
| reo Māori | mri-000 | rō |
| Vurës | msn-001 | rō |
| Mbai | myb-000 | rō |
| reo Tahiti | tah-000 | rō |
| Alege | alf-000 | rō̃ |
| tiếng Việt | vie-000 | rơ |
| Balep | nbb-001 | rǒ |
| līvõ kēļ | liv-000 | rǭʼ |
| Akpet | akd-000 | r̃o |
| wayuunaiki | guc-000 | r̃o |
| ngàm̄ | nmc-000 | r̹ō |
| Tel | nmc-001 | r̹ō |
| Irigwe | iri-000 | rṍ |
| Kơho | kpm-000 | rọ |
| Kajin M̧ajeļ | mah-000 | rọ |
| Ọgbà | ogc-000 | rọ |
| tiếng Việt | vie-000 | rọ |
| èdè Yorùbá | yor-000 | rọ |
| èdè Yorùbá | yor-000 | rọ̀ |
| èdè Yorùbá | yor-000 | rọ́ |
| tiếng Việt | vie-000 | rỏ |
| tiếng Việt | vie-000 | rố |
| tiếng Việt | vie-000 | rồ |
| tiếng Việt | vie-000 | rổ |
| tiếng Việt | vie-000 | rỗ |
| tiếng Việt | vie-000 | rộ |
| tiếng Việt | vie-000 | rớ |
| tiếng Việt | vie-000 | rờ |
| tiếng Việt | vie-000 | rở |
| tiếng Việt | vie-000 | rỡ |
| tiếng Việt | vie-000 | rợ |
| Teun | tve-000 | ʼro |
| avañeʼẽ | gug-000 | … rõ |
| Hmoob Dawb | mww-000 | ro1 |
| slovenčina | slk-000 | ro¾a |
| Douan | tai-004 | ro.4 |
| Vahcuengh | zyb-000 | ro.4 |
| Saek | skb-000 | ro.55 |
| Wu-ming | zyb-004 | rö 55 nǎu 31 |
| Kenga | kyq-000 | ro5o |
| Dano | aso-000 | ro7 |
| Gahuku—Asaro | aso-001 | ro7 |
| Gahuku | gah-000 | ro7 |
| Papel | pbo-000 | ro7 |
| awaete | pak-000 | ro73 |
| Doromu-Kokila—Lofaika | kqc-000 | ro7a |
| Doromu | kqc-003 | ro7a |
| Maria | mds-000 | ro7a |
| Maria—Maranomu | mds-001 | ro7a |
| Maria | mds-000 | ro7aba |
| Dahalo | dal-000 | ro7ia |
| Wala | upv-006 | ro7in |
| Bima | bhp-000 | ro7o |
| Popalia | bhq-000 | ro7o |
| Bonerate | bna-000 | ro7o |
| Batu Atas | cia-002 | ro7o |
| Desa Wali | cia-003 | ro7o |
| Masiri | cia-004 | ro7o |
| Pasarwajo | cia-006 | ro7o |
| Wabhula | cia-007 | ro7o |
| Humene | huf-000 | ro7o |
| Sabu | hvn-000 | ro7o |
| Kamaru | kgx-000 | ro7o |
| Northern Tukang Besi | khc-000 | ro7o |
| Lasalimu | llm-000 | ro7o |
| Maria | mds-000 | ro7o |
| Chalcatongo Mixtec | mig-000 | ro7o |
| saꞌan sau | mpm-000 | ro7o |
| Tlapaneco | tcf-000 | ro7o |
| Wejewa | wew-000 | ro7o |
| Kumbewaha | xks-000 | ro7o |
