| Proto-Awyu | ngf-002 | *rü |
| Proto-Dumut | ngf-004 | *rü- |
| Nhirrpi | ynd-001 | -Ru |
| Arabana | ard-000 | -ru |
| Na’vi | art-011 | -ru |
| Bidiyo | bid-000 | -ru |
| Bidyogo-Wilson | bjg-003 | -ru |
| Bayungu | bxj-000 | -ru |
| Burduna | bxn-000 | -ru |
| Dhalandji | dhl-000 | -ru |
| South Central Dinka | dib-000 | -ru |
| Paakantyi | drl-000 | -ru |
| Bandjigali | drl-005 | -ru |
| Jiwarli | dze-000 | -ru |
| Gera | gew-000 | -ru |
| asụsụ Igbo | ibo-000 | -ru |
| Ignaciano | ign-000 | -ru |
| Glosa | igs-001 | -ru |
| Inuktitut | iku-001 | -ru |
| Nihongo | jpn-001 | -ru |
| Kewa | kew-000 | -ru |
| Lamma | lev-000 | -ru |
| Nêlêmwa | nee-000 | -ru |
| Saruga | sra-000 | -ru |
| Inanwatan | szp-000 | -ru |
| Nhirrpi | ynd-001 | -ru |
| Wanuku rimay | qub-000 | -ru- |
| Inkawasi-Kañaris | quf-000 | -ru- |
| Urin Buliwya | quh-000 | -ru- |
| Chanka rimay | quy-000 | -ru- |
| Qusqu qhichwa simi | quz-000 | -ru- |
| Samosa | swm-000 | -ru- |
| Kowiai | kwh-000 | -ruʼ |
| asụsụ Igbo | ibo-000 | -rù |
| Toro So Dogon | dts-000 | -rũ |
| Karang | kzr-001 | -rū |
| Mono | mru-000 | -rū |
| asụsụ Igbo | ibo-000 | -rụ |
| asụsụ Igbo | ibo-000 | -rụ̀ |
| Rembarrnga | rmb-000 | -ṛu- |
| español latinoamericano | spa-036 | R. U. |
| français | fra-000 | R.-U. |
| English | eng-000 | R.U. |
| français | fra-000 | R.U. |
| italiano | ita-000 | R.U. |
| kriolu kabuverdianu | kea-000 | R.U. |
| español | spa-000 | R.U. |
| ISO 3166 alpha | art-006 | RU |
| brezhoneg | bre-000 | RU |
| català | cat-000 | RU |
| Deutsch | deu-000 | RU |
| English | eng-000 | RU |
| galego | glg-000 | RU |
| nešili | hit-000 | RU |
| 日本語 | jpn-000 | RU |
| português | por-000 | RU |
| español | spa-000 | RU |
| castellano costarricense | spa-003 | RU |
| castellano de la Argentina | spa-005 | RU |
| castellano boliviano | spa-006 | RU |
| castellano chileno | spa-008 | RU |
| español colombiano | spa-009 | RU |
| español dominicano | spa-011 | RU |
| español ecuatoriano | spa-012 | RU |
| español guatemalteco | spa-014 | RU |
| español hondureño | spa-015 | RU |
| español mexicano | spa-016 | RU |
| español nicaragüense | spa-017 | RU |
| español panameño | spa-018 | RU |
| castellano paraguayo | spa-019 | RU |
| castellano peruano | spa-020 | RU |
| castellano venezolano | spa-025 | RU |
| atomic symbols | art-010 | Ru |
| ISO 80000-9 Annex A | art-255 | Ru |
| Sekír | art-338 | Ru |
| català | cat-000 | Ru |
| čeština | ces-000 | Ru |
| Deutsch | deu-000 | Ru |
| English | eng-000 | Ru |
| suomi | fin-000 | Ru |
| français | fra-000 | Ru |
| galego | glg-000 | Ru |
| hrvatski | hrv-000 | Ru |
| italiano | ita-000 | Ru |
| Rumuhei | klq-000 | Ru |
| Nederlands | nld-000 | Ru |
| bokmål | nob-000 | Ru |
| Plautdietsche Sproak | pdt-000 | Ru |
| polski | pol-000 | Ru |
| русский | rus-000 | Ru |
| åarjelsaemiengïele | sma-000 | Ru |
| davvisámegiella | sme-000 | Ru |
| julevsámegiella | smj-000 | Ru |
| svenska | swe-000 | Ru |
| nešili | hit-000 | RÚ |
| reo Māori | mri-000 | Rü |
| Mennoniten-Plautdietsch | pdt-001 | Rü |
| Kĩmĩrũ | mer-000 | RŨ |
| Kihorombo | rof-000 | r*u |
| Mkuu | rof-001 | r*u |
| Keni | rof-002 | r*u |
| Zapoteco de San Dionisio Ocotepec | ztu-000 | r-uʼ |
| Moro | mor-000 | r-ú |
| Chuka | cuh-000 | rU |
| Abau | aau-000 | ru |
| Abé | aba-000 | ru |
| Arguni | agf-000 | ru |
| Axamb | ahb-000 | ru |
| Axamb—Avok | ahb-001 | ru |
| Axamb—Maxbaxo | ahb-002 | ru |
| Äynú | aib-000 | ru |
| Amara | aie-000 | ru |
| Aynu itak | ain-004 | ru |
| Saru hōgen | ain-012 | ru |
| Amri Karbi | ajz-000 | ru |
| Ambai | amk-000 | ru |
| Apma | app-000 | ru |
| Suru Kavian Apma | app-001 | ru |
| Arop Lokep | apr-000 | ru |
| Lukep | apr-001 | ru |
| ISO 639-1 | art-004 | ru |
| Roctegedda | art-045 | ru |
| Danovën | art-175 | ru |
| Euransi | art-247 | ru |
| Sambahsa-mundialect | art-288 | ru |
| filename extensions | art-335 | ru |
| IETF language tags | art-420 | ru |
| Young Avestan | ave-002 | ru |
| Ojiga | avu-001 | ru |
| Ojila | avu-002 | ru |
| aymar aru | ayr-000 | ru |
| aymar aru — Yapita | ayr-001 | ru |
| Gbi | bbp-000 | ru |
| Golo | bbp-001 | ru |
| Barim | bbv-000 | ru |
| North Babar | bcd-000 | ru |
| Bariai | bch-000 | ru |
| Biliau | bcu-000 | ru |
| Bedoanas | bed-000 | ru |
| Binandere | bhg-000 | ru |
| Ẹ̀dó | bin-000 | ru |
| Bam | bmc-000 | ru |
| Bum | bmv-000 | ru |
| Bola | bnp-000 | ru |
| Butmas | bnr-000 | ru |
| Tur | bnr-001 | ru |
| Borôro | bor-000 | ru |
| brezhoneg | bre-000 | ru |
| Lubukusu | bxk-000 | ru |
| Cacaopera | ccr-000 | ru |
| čeština | ces-000 | ru |
| Cara | cfd-000 | ru |
| lygʼoravetlʼen jilǝjil | ckt-001 | ru |
| Idu | clk-000 | ru |
| Hànyǔ | cmn-003 | ru |
| Qinghai Hua | cmn-016 | ru |
| Mawo | cng-001 | ru |
| Lonwolwol | crc-000 | ru |
| Chuka | cuh-000 | ru |
| Cayuvava | cyb-000 | ru |
| dansk | dan-000 | ru |
| Negerhollands | dcr-000 | ru |
| Dai | dij-000 | ru |
| Divehi | div-002 | ru |
| Darmiya | drd-000 | ru |
| Dutton Speedwords | dws-000 | ru |
| Kĩembu | ebu-000 | ru |
| Aoma | ema-001 | ru |
| Sye | erg-000 | ru |
| Eruwa | erh-000 | ru |
| South Efate Pango | erk-002 | ru |
| Erokwanas | erw-000 | ru |
| Eton Vanuatu | etn-000 | ru |
| Auchi | ets-000 | ru |
| Avbianwu | ets-001 | ru |
| Uvbie | evh-000 | ru |
| français | fra-000 | ru |
| Gon ua | gan-001 | ru |
| Gudu | gdu-000 | ru |
| Geser-Gorom | ges-000 | ru |
| Waru Seram | ges-001 | ru |
| Galke | gke-000 | ru |
| avañeʼẽ | gug-000 | ru |
| Chiriguano | gui-000 | ru |
| Ekegusii | guz-000 | ru |
| Tamu Kyi | gvr-000 | ru |
| gvr-001 | ru |
| Haya | hay-000 | ru |
| Halia | hla-000 | ru |
| Hmar | hmr-000 | ru |
| Phun | hpo-000 | ru |
| Meneca | hto-000 | ru |
| Nipode Witoto | hux-000 | ru |
| Sabu | hvn-000 | ru |
| Glosa | igs-001 | ru |
| Nuo su | iii-001 | ru |
| Ikizu | ikz-000 | ru |
| Sizaki | ikz-001 | ru |
| bahasa Indonesia | ind-000 | ru |
| Irigwe | iri-000 | ru |
| Isoko | iso-000 | ru |
| la lojban. | jbo-000 | ru |
| Loglan | jbo-001 | ru |
| Kibosho | jmc-001 | ru |
| Siha | jmc-002 | ru |
| Nihongo | jpn-001 | ru |
| Uchinaa Yamatuguchi | jpn-146 | ru |
| Japhug Rgyalrong | jya-000 | ru |
| Taqbaylit | kab-000 | ru |
| Kari | kbn-000 | ru |
| Kaliko | kbo-000 | ru |
| Kaiep | kbw-000 | ru |
| lɛ́b ǃkúmɑ́mɑ́ | kdi-000 | ru |
| kdz-003 | ru |
| Q’eqchi’ | kek-000 | ru |
| Kewa | kew-000 | ru |
| Khunsari | kfm-000 | ru |
| Gĩkũyũ | kik-000 | ru |
| Kurudu | kjr-000 | ru |
| Kalenjin | kln-000 | ru |
| Komutu | klt-000 | ru |
| Maskelynes | klv-000 | ru |
| Karajá | kpj-000 | ru |
| Kobon | kpw-000 | ru |
| Kandas | kqw-000 | ru |
| rikpa | ksf-000 | ru |
| Kuria | kuj-000 | ru |
| Kuria Tarime | kuj-001 | ru |
| Kui | kvd-000 | ru |
| Kaike | kzq-000 | ru |
| Wampar | lbq-000 | ru |
| Láadan | ldn-000 | ru |
| Lingua Franca Nova | lfn-000 | ru |
| Lugbara | lgg-000 | ru |
| Lingarak | lgk-000 | ru |
| Lahanan | lhn-000 | ru |
| Lakona | lkn-000 | ru |
| Logo | log-000 | ru |
| Larevat | lrv-000 | ru |
| Lemerig | lrz-000 | ru |
| Luluba | lul-000 | ru |
| Duhlian ṭawng | lus-000 | ru |
| Naman | lzl-000 | ru |
| Nese | map-007 | ru |
| Matlatzinca | mat-000 | ru |
| Mangalasi | mcq-000 | ru |
| Mbum | mdd-000 | ru |
| Agi | mgd-001 | ru |
| Andri | mgd-002 | ru |
| Balimba | mgd-003 | ru |
| Wadi | mgd-007 | ru |
| Mambae | mgm-000 | ru |
| Manda | mha-000 | ru |
| Ma’di | mhi-000 | ru |
| Lokai | mhi-001 | ru |
| Pandikeri | mhi-002 | ru |
| Moor | mhz-000 | ru |
| Malua Bay | mll-000 | ru |
| Malua Bay Petarmur | mll-001 | ru |
| Malfaxal | mlx-000 | ru |
| Mae | mme-000 | ru |
| Orap | mme-001 | ru |
| North Ambrym | mmg-000 | ru |
| North Ambrym Fonah | mmg-001 | ru |
| North Ambrym Ranon | mmg-002 | ru |
| Mangap | mna-000 | ru |
| Mono | mnh-000 | ru |
| Moriori | mri-001 | ru |
| Maragus | mrs-000 | ru |
| Mono | mru-000 | ru |
| Munggui | mth-000 | ru |
| Mundang-3 | mua-002 | ru |
| Mundang-2 | mua-003 | ru |
| Masaba | myx-000 | ru |
| Mumuye | mzm-004 | ru |
| napulitano | nap-000 | ru |
| Balep | nbb-001 | ru |
| Ekparabong | nbb-002 | ru |
| Nabi | nbn-000 | ru |
| Kofa | nfu-000 | ru |
| Ngurimi | ngq-000 | ru |
| Nila | nil-000 | ru |
| Ninzam | nin-000 | ru |
| Leviamp | nmb-001 | ru |
| Unmet | nmb-002 | ru |
| Namakura Bongabonga | nmk-001 | ru |
| Namakura Makura | nmk-002 | ru |
| Namakura Mataso | nmk-003 | ru |
| Namakura Tongariki | nmk-004 | ru |
| nynorsk | nno-000 | ru |
| bokmål | nob-000 | ru |
| Pochuri | npo-000 | ru |
| Ndom | nqm-000 | ru |
| Norn | nrn-000 | ru |
| Ikoma | ntk-000 | ru |
| Yuaga | nua-000 | ru |
| Northern Nusu | nuf-000 | ru |
| Nguon | nuo-000 | ru |
| Southwest Tanna Enfitana | nwi-001 | ru |
| Southwest Tanna Ikiti | nwi-002 | ru |
| Ngoumi | nzy-001 | ru |
| Ọgbà | ogc-000 | ru |
| Okpe | oke-000 | ru |
| Unua | onu-000 | ru |
| Oksapmin | opm-000 | ru |
| فارسی | pes-000 | ru |
| Farsi | pes-002 | ru |
| Rerep | pgk-000 | ru |
| Polonombauk | plb-000 | ru |
| Papuma | ppm-000 | ru |
| Asue Awyu | psa-000 | ru |
| Riantana | ran-000 | ru |
| Roria | rga-000 | ru |
| Riff | rif-000 | ru |
| Nyaturu | rim-000 | ru |
| Chahi | rim-001 | ru |
| Kihorombo | rof-000 | ru |
| Runga | rou-000 | ru |
| Ririo | rri-000 | ru |
| русский | rus-000 | ru |
| Kiruwa | rwk-000 | ru |
| Meruimenti | rwk-001 | ru |
| Merutig | rwk-002 | ru |
| Sa | sax-000 | ru |
| lingua siciliana | scn-000 | ru |
| Sheni | scv-000 | ru |
| Serui-Laut | seu-000 | ru |
| Sursurunga | sgz-000 | ru |
| Seke | ske-000 | ru |
| Sakao | sku-000 | ru |
| Tumawo | skv-001 | ru |
| Selaru | slu-000 | ru |
| slovenščina | slv-000 | ru |
| davvisámegiella | sme-000 | ru |
| Simeulue | smr-000 | ru |
| Nahavaq | sns-000 | ru |
| Southwest Bay Benour | sns-001 | ru |
| Southwest Bay Lembinwen | sns-002 | ru |
| Songum | snx-000 | ru |
| Shama | sqa-000 | ru |
| Sausi | ssj-000 | ru |
| eme-ĝir | sux-000 | ru |
| Ulau | svb-000 | ru |
| Sowa | sww-000 | ru |
| Suba | sxb-000 | ru |
| Tamang | taj-000 | ru |
| Takia | tbc-000 | ru |
| Proto-Western-Tibetan | tbq-004 | ru |
| Thulung | tdh-000 | ru |
| Nume | tgs-000 | ru |
| Tharaka | thk-000 | ru |
| Thakali | ths-000 | ru |
| Marphatan Thakali | ths-001 | ru |
| Tukudede | tkd-000 | ru |
| Tambotalo | tls-000 | ru |
| Avava | tmb-000 | ru |
| Kwamera Isiai | tnk-001 | ru |
| Kwamera Port Resolution | tnk-002 | ru |
| Kwamera Yatukwey | tnk-003 | ru |
| Tupí | tpw-000 | ru |
| Mutu | tuc-000 | ru |
| Tuam | tuc-001 | ru |
| Teun | tve-000 | ru |
| Uhami | uha-000 | ru |
| Uyghurche | uig-001 | ru |
| Oropom | und-002 | ru |
| Atchin | upv-000 | ru |
| Uripiv | upv-001 | ru |
| Pinalum | upv-002 | ru |
| Rano | upv-003 | ru |
| Tautu | upv-004 | ru |
| Uri | upv-005 | ru |
| Wala | upv-006 | ru |
| Urhobo | urh-000 | ru |
| Valman | van-000 | ru |
| Vao | vao-000 | ru |
| Kokwari | vbb-000 | ru |
| tiếng Việt | vie-000 | ru |
| East Masela | vme-000 | ru |
| Emakhua | vmw-000 | ru |
| Neveʻei | vnm-000 | ru |
| Burmbar | vrt-000 | ru |
| Burmbar Lepaxsivir | vrt-001 | ru |
| Burmbar Vartavo | vrt-002 | ru |
| Wandamen | wad-000 | ru |
| Waka | wav-000 | ru |
| Wabo | wbb-000 | ru |
| Woi | wbw-000 | ru |
| Wichita | wic-000 | ru |
| Waropen | wrp-000 | ru |
| Wetamut | wwo-000 | ru |
| Umbu Ratu Nggai Kambera | xbr-003 | ru |
| Kesawai | xes-000 | ru |
| Sharpa | xsr-002 | ru |
| Kadugli-Talla | xtc-001 | ru |
| Yagua | yad-000 | ru |
| Yapese | yap-000 | ru |
| yidish | ydd-001 | ru |
| Yakamul | ykm-000 | ru |
| Yendang | ynq-000 | ru |
| èdè Yorùbá | yor-000 | ru |
| beri a | zag-000 | ru |
| Zanaki | zak-000 | ru |
| Guigang Central Hongshuihe Zhuang | zch-000 | ru |
| Mbariman-Gudhinma | zmv-000 | ru |
| Pa-Zande | zne-000 | ru |
| Lachixio Zapotec | zpl-000 | ru |
| Texmelucan Zapotec | zpz-000 | ru |
| Bahasa Malaysia | zsm-000 | ru |
| Wuming | zyb-001 | ru |
| phasa thai | tha-001 | ru' |
| Chawai | cch-000 | ru(?) |
| Ajie | aji-000 | ru* |
| Ukue | uku-000 | ru* |
| Abui | abz-000 | ru- |
| Amahuaca | amc-000 | ru- |
| Barai | bbb-000 | ru- |
| Kajin M̧ajeļ | mah-000 | ru- |
| Farsi | pes-002 | ru- |
| saṃskṛtam | san-001 | ru- |
| kuśiññe | txb-000 | ru- |
| Tokharian A | xto-000 | ru- |
| Fate | erk-000 | ru= |
| tlhIngan Hol | tlh-000 | ruʼ |
| Akpet | akd-000 | ruˋ |
| Asuri | asr-000 | ruː |
| Giri | geb-000 | ruː |
| Riantana | ran-000 | ruː |
| Asuri | asr-000 | ruː- |
| Varo | bad-001 | rù |
| Lubukusu | bxk-000 | rù |
| Hànyǔ | cmn-003 | rù |
| Galke | gke-000 | rù |
| èdè Ìfɛ̀ | ife-000 | rù |
| Kari | kbn-000 | rù |
| Karang | kzr-001 | rù |
| Mbum | mdd-000 | rù |
| mundaŋ | mua-000 | rù |
| Nsele | ndd-001 | rù |
| Nta | ndd-002 | rù |
| Ọgbà | ogc-000 | rù |
| Setswana | tsn-000 | rù |
| tiếng Việt | vie-000 | rù |
| èdè Yorùbá | yor-000 | rù |
| Gudu | gdu-000 | rùː |
| Abé | aba-000 | rú |
| Barakai | baj-000 | rú |
| Hànyǔ | cmn-003 | rú |
| Lyusu | ers-002 | rú |
| Gaeilge | gle-000 | rú |
| Krongo | kgo-000 | rú |
| karaŋ | kzr-000 | rú |
| Lugbara | lgg-000 | rú |
| Mbum | mdd-000 | rú |
| tiếng Việt | vie-000 | rú |
| Kambera | xbr-000 | rú |
| Tarok | yer-000 | rú |
| èdè Yorùbá | yor-000 | rú |
| Day | dai-000 | rúː |
| Soranî | ckb-001 | rû |
| Kurmancî | kmr-000 | rû |
| lisân-ı Osmânî | ota-001 | rû |
| langue picarde | pcd-000 | rû |
| Eglathrin | sjn-000 | rû |
| lingaz ladin | lld-000 | rü |
| Wik-Mungkan | wim-000 | rü |
| tiếng Việt | vie-000 | rũ |
| Birhor | biy-000 | rū |
| reo Māori | mri-000 | rū |
| Mono | mru-000 | rū |
| Pam | pmn-000 | rū |
| Rotuman | rtm-000 | rū |
| Day | dai-000 | rūː |
| Kamwe—Fali Kiria | fkk-000 | rŭ |
| škošmi zəvůk | isk-000 | rų |
| tiếng Việt | vie-000 | rư |
| Hànyǔ | cmn-003 | rǔ |
| Dai | dij-000 | r̃u |
| Komi | kpv-001 | r̃u |
| Kairiru | kxa-000 | r̃u |
| Teun | tve-000 | r̃u |
| Ọgbà | ogc-000 | rụ |
| tiếng Việt | vie-000 | rủ |
| tiếng Việt | vie-000 | rử |
| brezhoneg | bre-000 | £ RU |
| Kei | kei-000 | řu |
| Dai | dij-000 | ʼru |
| Nila | nil-000 | ʼru |
| Teun | tve-000 | ʼru |
| Kokwari | vbb-000 | ʼru |
| East Masela | vme-000 | ʼru |
| Plains Remo | bfw-002 | ṛu |
| Ko | fuj-000 | ṛú |
| Na’vi | art-011 | –ru |
