| Chamoru | cha-000 |
| dos | |
| Malayu Ambong | abs-000 | dua |
| Inabaknon | abx-000 | dos |
| sanna | acy-000 | θnayn xnayn |
| تونسي | aeb-000 | ثْنِينْ |
| Afrikaans | afr-000 | twee |
| Arguni | agf-000 | ru |
| Agta | agt-000 | duwʌ |
| Arosi | aia-000 | rua |
| Amara | aie-000 | ruo |
| Aynu itak | ain-004 | tup |
| اللهجة الجنوبية | ajp-000 | اتنين |
| Anakalangu | akg-000 | dhuadha |
| akkadû | akk-000 | šinā |
| akkadû | akk-000 | šittā |
| Akeanon | akl-000 | daywáh |
| Araki | akr-000 | rua |
| Alune | alp-000 | lua |
| toskërishte | als-000 | dy |
| алтай тил | alt-000 | эки |
| Amis | ami-000 | tusa |
| Ambai | amk-000 | bo-ru |
| Amahai | amq-000 | rua |
| Xârâcùù | ane-000 | baa|ru |
| Xârâcùù | ane-000 | du |
| Atoni | aoz-000 | nua |
| Saʼa | apb-000 | rue |
| Aputai | apx-000 | ʼrua |
| العربية | arb-000 | اثنان |
| العربية | arb-000 | اثنتان |
| العربية | arb-000 | اثنتين |
| العربية | arb-000 | اثنين |
| luenga aragonesa | arg-000 | dos |
| Mapudungun | arn-000 | epu |
| Toki Pona | art-007 | tu |
| Swadesh 207 | art-012 | 023 |
| ABVD 210 | art-268 | 198 |
| مصري | arz-000 | اتنين |
| asturianu | ast-000 | dos |
| As | asz-000 | lu |
| Ata Manobo | atd-000 | dadawa |
| Pamplona Atta | att-000 | dua: |
| Aneityum | aty-000 | erou |
| Asumboa | aua-000 | yuw |
| Anuta | aud-000 | rua |
| Rurutuan | aut-000 | piti |
| Rurutuan | aut-000 | rua |
| авар мацӀ | ava-000 | кІиго |
| aymar aru | ayr-000 | paya |
| azərbaycanca | azj-000 | iki |
| Babatana | baa-000 | kere |
| Babatana | baa-000 | kéri |
| башҡорт теле | bak-000 | ике |
| basa Bali | ban-000 | dadua |
| Hata Batak | bbc-000 | dua |
| North Babar | bcd-000 | ʼruwu |
| Bikol | bcl-000 | duwa |
| Bannoni | bcm-000 | toom |
| Biliau | bcu-000 | ru |
| Bonggi | bdg-000 | dua |
| Bajo | bdl-000 | due |
| Bajo | bdl-000 | oré |
| Belait | beg-000 | dubɛh |
| Dayak Bakatiq-Sara/Riok | bei-000 | duaʔ |
| беларуская | bel-000 | два |
| বাংলা | ben-000 | দুই |
| Bugotu | bgt-000 | rua |
| Banggai Islands | bgz-001 | lua |
| Bima | bhp-000 | ḏua |
| Popalia | bhq-000 | [kɛ]ɗuwa |
| Biak | bhw-000 | duï |
| Barok | bjk-000 | ninoŋ |
| Banjar | bjn-000 | dua |
| Tanga | bjp-000 | u |
| Binukid | bkd-000 | ʼdaduwa |
| Balangaw | blw-000 | duʼwʌ |
| Bonerate | bna-000 | ɗua |
| Kei Besar Elat | bnd-000 | ruo |
| Masiwang | bnf-000 | lua |
| Bunun | bnn-000 | lusha |
| Bunun | bnn-000 | rusya |
| Bunun | bnn-000 | ḍuṣaʔ |
| Bantik | bnq-000 | dadua |
| Bintulu | bny-000 | ba |
| bosanski | bos-000 | dva |
| Blaan | bpr-000 | lwɨ |
| Bilaan | bps-000 | lwɨ |
| brezhoneg | bre-000 | dew |
| Bilibil | brz-000 | oru |
| Burushaski | bsk-000 | altán |
| Butuanon | btw-000 | duwa |
| Bobot | bty-000 | ainlua |
| Bobot | bty-000 | lua |
| basa ugi | bug-001 | dua |
| български | bul-000 | две |
| Bukat | bvk-000 | duə |
| Bwaidoka | bwd-000 | lue |
| Bilur | bxf-000 | uru |
| Bangala | bxg-000 | dé |
| Bangala | bxg-000 | míɓalí |
| Буряад хэлэн | bxr-000 | хоёр |
| Batak | bya-000 | dua |
| Basai | byq-000 | lusa |
| Babuza | bzg-000 | roa |
| Buli | bzq-000 | [si] lu |
| Carolinian | cal-000 | ruwa- |
| Carolinian | cal-000 | ruwe- |
| Carolinian | cal-000 | ruwo- |
| Carolinian | cal-000 | rúwa- |
| Carolinian | cal-000 | rúúw |
| català | cat-000 | dos |
| binisayang Sinugboanon | ceb-000 | dos |
| binisayang Sinugboanon | ceb-000 | duha |
| binisayang Sinugboanon | ceb-000 | duhá |
| e saozneg | cel-000 | *dwāw |
| čeština | ces-000 | dva |
| Chamoru | cha-000 | hugua |
| Chamoru | cha-000 | huguiyai |
| Slijuala xanuk | chd-000 | ajpaw |
| нохчийн мотт | che-000 | шиъ |
| truk | chk-000 | (é)-rúú |
| truk | chk-000 | (é)-rúúw |
| truk | chk-000 | rúwa- |
| Proto-Chuukic | chk-001 | *rúwa |
| Cahuilla | chl-000 | wíh |
| chahta anumpa | cho-000 | tuklo |
| ᏣᎳᎩ ᎧᏬᏂᎯᏍᏗ | chr-000 | ᏔᎵ |
| ѩзыкъ словѣньскъ | chu-000 | дъва |
| чӑваш | chv-000 | иккĕ |
| Anishinaabemowin | ciw-000 | niizh |
| Chru | cje-000 | Dua: |
| Phan Rang Cham | cjm-000 | dua |
| Kavalan | ckv-000 | lusa |
| Kavalan | ckv-000 | rusa |
| Kavalan | ckv-000 | rusáʔ |
| Kavalan | ckv-000 | ʔuẓusáʔ |
| 普通话 | cmn-000 | 二 |
| Hànyǔ | cmn-003 | er4 |
| Kwikapa | coc-000 | xwak |
| Kernowek | cor-000 | dau |
| Qırımtatar tili | crh-000 | eki |
| Apsáalooke | cro-000 | dúupa |
| kaszëbsczi jãzëk | csb-000 | dwa |
| Cheʼ Wong | cwg-000 | ber |
| Cymraeg | cym-000 | dá |
| Isáŋyáthi | dak-000 | nóŋpa |
| dansk | dan-000 | to |
| дарган мез | dar-000 | к1ель |
| Idaʻan | dbj-000 | duo |
| Fataluku | ddg-000 | écafu |
| Diodio | ddi-000 | luyei |
| Dawera-Daweloor | ddw-000 | ʼruv |
| Deutsch | deu-000 | zwei |
| Deutsch | deu-000 | zwo |
| Agta | dgc-000 | qɨduʼwaq |
| Dehu | dhv-000 | lue|te |
| Kumiai | dih-000 | hewuk |
| Dai | dij-000 | ʼru |
| East Damar | dmr-000 | ʼworu |
| Dobu | dob-000 | ʼe rua |
| Doura | don-000 | lua |
| West Damar | drn-000 | viɛʼru |
| Rukai | dru-000 | nousa |
| Rukai | dru-000 | rusaʔ |
| Bundu Dusun | dtp-000 | duo |
| eesti | ekk-000 | kaks |
| ελληνικά | ell-000 | δύο |
| Embaloh | emb-000 | dua |
| Mussau-Emira | emi-000 | lua |
| Emplawas | emw-000 | ʼwuru |
| Ende | end-000 | rua |
| пэ-бай | enf-000 | ҫизи |
| English | eng-000 | two |
| Enggano | eno-000 | arɯɯ |
| Esperanto | epo-000 | du |
| Sye | erg-000 | nduru |
| Fate | erk-000 | inru |
| euskara | eus-000 | bi |
| føroyskt | fao-000 | tveir |
| vosa Vakaviti | fij-000 | e rua |
| suomi | fin-000 | kaksi |
| Siraya | fos-000 | duha |
| Siraya | fos-000 | rauha |
| français | fra-000 | deux |
| Frysk | fry-000 | twa |
| Faka Futuna | fud-000 | lua |
| Faka Futuna | fud-000 | rua |
| Pulaar | fuh-000 | didʼi |
| Pulaar | fuh-000 | didʼo |
| lenghe furlane | fur-000 | doi |
| lenghe furlane | fur-000 | dôs |
| Futuna-Aniwa | fut-000 | rua |
| Gaddang | gad-000 | qaddwa |
| Talur | gal-001 | ʼirua |
| 贛語 | gan-000 | 二 |
| Gayo | gay-000 | duə |
| Gayo | gay-000 | rɔa |
| kréyol | gcf-000 | dé |
| Gedaged | gdd-000 | a|zú |
| Gebe | gei-000 | pi-lu |
| Geser-Gorom | ges-000 | roti |
| ግዕዝ | gez-000 | ክልኤቱ |
| Patpatar | gfk-000 | airuo |
| Kubokota | ghn-000 | kori |
| taetae ni Kiribati | gil-000 | uóua |
| Gàidhlig | gla-000 | daa |
| Gaeilge | gle-000 | dà |
| galego | glg-000 | dous |
| galego | glg-000 | dúas |
| Gorontalo | gor-000 | duluwo |
| ἑλληνικὴ γλῶττα | grc-000 | δύο |
| Ghari | gri-000 | ruka |
| Gurindji | gue-000 | kujarra |
| avañeʼẽ | gug-000 | mokõi |
| Gumawana | gvs-000 | yuwo |
| Gane | gzn-000 | plu |
| Hagfa Pinyim | hak-002 | ngi55 |
| Haku | hao-000 | tol |
| kreyòl ayisyen | hat-000 | de |
| Hausa | hau-000 | biyu |
| ʻōlelo Hawaiʻi | haw-000 | lua |
| עברית | heb-000 | שנים |
| עברית | heb-000 | שתים |
| हिन्दी | hin-000 | दो |
| nešili | hit-000 | dān |
| Hanunoo | hnn-000 | duwá |
| Hoava | hoa-000 | ka|rua |
| Hopilàvayi | hop-000 | lööyöʼ |
| hrvatski | hrv-000 | dva |
| Hitu | htu-000 | lua |
| magyar | hun-000 | kettő |
| Hainan Cham | huq-000 | thua 11 |
| Sabu | hvn-000 | lhua |
| Sabu | hvn-000 | rooe |
| Sabu | hvn-000 | ɗue |
| արևելահայերեն | hye-000 | երկու |
| Iaai | iai-000 | lo |
| Iban | iba-000 | dua |
| Ibanag | ibg-000 | duwa |
| Inibaloi | ibl-000 | cowa |
| asụsụ Igbo | ibo-000 | abua |
| Ido | ido-000 | du |
| Amganad Ifugao | ifa-000 | duʼwa |
| Batad Ifugao | ifb-000 | duwa |
| Keley-I Kallahan | ify-000 | dewwaq |
| Keley-I Kallahan | ify-000 | duwa |
| Ilongot | ilk-000 | duwa |
| Iloko | ilo-000 | dua |
| Iranun | ilp-000 | dua |
| Ili'uun | ilu-000 | haʼrua |
| Ili'uun | ilu-000 | rua |
| Imroing | imr-000 | woʼru |
| interlingua | ina-000 | duo |
| bahasa Indonesia | ind-000 | dua |
| Proto-Indo-European | ine-000 | **dwóh₁ |
| Proto-Indo-European | ine-000 | *dwó |
| Samala | inz-000 | ʼishkoʼm |
| Irarutu | irh-000 | rifo |
| Dibagat-Kabugao-Isneg | isd-000 | duwa |
| íslenska | isl-000 | tveir |
| italiano | ita-000 | due |
| Maceratese | ita-008 | due |
| Maceratese | ita-008 | du’ |
| Maceratese | ita-008 | dùe |
| Maceratese | ita-008 | dùi |
| Binongan Itneg | itb-000 | doʼwa |
| Itawis | itv-000 | duwa |
| ivatanən | ivv-000 | adoa |
| ivatanən | ivv-000 | adowa |
| ivatanən | ivv-000 | dadoaq |
| ivatanən | ivv-000 | dadwa |
| ivatanən | ivv-000 | doha |
| ivatanən | ivv-000 | dowa |
| ivatanən | ivv-000 | duhaq |
| ivatanən | ivv-000 | raroa |
| ivatanən | ivv-000 | rarowa |
| Yabem | jae-000 | luà-gêc |
| Kilokaka | jaj-000 | phea |
| basa Jawa | jav-000 | kalih |
| basa Jawa | jav-000 | loro |
| basa Jawa | jav-000 | ro |
| basa Jawa | jav-000 | rwa |
| Jawe | jaz-000 | se|luk |
| Loglan | jbo-001 | to |
| Yamdena | jmd-000 | duwe |
| 日本語 | jpn-000 | 二 |
| にほんご | jpn-002 | に |
| Japhug Rgyalrong | jya-000 | ʁnɯs |
| Kayapa Proper Kallahan | kak-000 | duwa |
| ಕನ್ನಡ | kan-000 | ಎರಡು |
| ქართული | kat-000 | ორი |
| қазақ | kaz-000 | екi |
| қазақ | kaz-000 | екі |
| Gabadi | kbt-000 | rua |
| қӑнтәк кӧӆ | kca-016 | катҳән |
| Kei | kei-000 | ndru |
| Q’eqchi’ | kek-000 | kaʼibʼ |
| Q’eqchi’ | kek-000 | kiibʼ |
| Q’eqchi’ | kek-000 | kwibʼ |
| Kemak | kem-000 | hru:a |
| Ket | ket-000 | ɯ̄n |
| Komering | kge-000 | ʁua |
| Khasi | kha-000 | ar |
| монгол | khk-000 | хоёр |
| ភាសាខ្មែរ | khm-000 | ពីរ |
| Kilivila | kij-000 | yu |
| кыргыз | kir-000 | эки |
| Kis | kis-000 | urá|ni |
| Kisar | kje-000 | wo-roo |
| хакас тили | kjh-000 | iкi |
| Kia | kji-000 | palu-ɤu |
| Kokota | kkk-000 | palu |
| Kʼolew ñajaʼ | klb-000 | juwak |
| Dong | kmc-000 | sɔ̌ːŋ |
| Guinaang Kalinga | knb-000 | duʼwa |
| Kodi | kod-000 | dhu |
| Kodi | kod-000 | duyo |
| перым-коми кыв | koi-000 | кык |
| 한국어 | kor-000 | 두- |
| 한국어 | kor-000 | 둘 |
| Kosraean | kos-000 | lo- |
| Kosraean | kos-000 | lu- |
| Kosraean | kos-000 | luo |
| Kapingamarangi | kpg-000 | lua |
| Kapingamarangi | kpg-000 | rua |
| коми кыв | kpv-000 | кык |
| Kalagan | kqe-000 | duʼwa |
| Kandas | kqw-000 | ru |
| къарачай-малкъар тил | krc-000 | эки |
| karjala | krl-000 | kaksi |
| karjala | krl-000 | kakši |
| Kuanua | ksd-000 | aurua |
| Kuanua | ksd-000 | urade |
| Kuni | kse-000 | lua |
| Kölsch | ksh-000 | zwaij |
| Kedang | ksx-000 | sue |
| 'Auhelawa | kud-000 | bwau |
| Kunza | kuz-000 | ppoya |
| Kove | kvc-000 | hua |
| Kerinci | kvr-000 | dueə |
| Kwaio | kwd-000 | lua |
| Kwaraʼae | kwf-000 | rua |
| Kowiai | kwh-000 | [ru]wet |
| Kairiru | kxa-000 | wu|ru |
| Kelabit | kzi-000 | dueh |
| Kaidipang | kzp-000 | diiya |
| Kayupulau | kzu-000 | roti |
| ລາວ | lao-000 | sɔ̌ɔŋ |
| latine | lat-000 | duae |
| latine | lat-000 | duo |
| лакку маз | lbe-000 | кIива |
| Central Bontok | lbk-000 | doʼwa |
| Central Bontok | lbk-000 | duwá |
| Central Bontok | lbk-000 | dəwʔə́n |
| Wampar | lbq-000 | serok |
| Lavatbura-Lamusong | lbv-000 | e u |
| Tungag | lcm-000 | aŋua |
| Tungag | lcm-000 | pong-wa |
| Leipon | lek-000 | marweh |
| Kara | leu-000 | kalava |
| Luang | lex-000 | ʼworu |
| лезги чӀал | lez-000 | кьоьд |
| Lingua Franca Nova | lfn-000 | du |
| Luqa | lga-000 | karu |
| Lahanan | lhn-000 | lugwa |
| Likum | lib-000 | rueh |
| Ha | lic-001 | ɕa54 |
| Lihir | lih-000 | alaklio |
| Limburgs | lim-000 | twie |
| lingála | lin-000 | -íbalé |
| lingála | lin-000 | míbalé |
| lietuvių | lit-000 | du |
| lietuvių | lit-000 | dvi |
| līvõ kēļ | liv-000 | kakš |
| Li'o | ljl-000 | rua |
| Lampung | ljp-000 | wɔ |
| Lakȟótiyapi | lkt-000 | núŋpa |
| Nguna | llp-000 | dua |
| Lau | llu-000 | rua |
| Merei | lmb-000 | ruwa |
| Lamogai | lmg-000 | aḳáp |
| Hano | lml-000 | -rua |
| ticines | lmo-005 | düü |
| Lamalera | lmr-000 | rua |
| Lamboya | lmy-000 | dhudha |
| Lou | loj-000 | ruep |
| Loniu | los-000 | ma-ʔuoh |
| Latgalīšu | ltg-000 | div |
| Leti | lti-000 | rua |
| Lëtzebuergesch | ltz-000 | zwee |
| latviešu | lvs-000 | divi |
| Naman | lzl-000 | iru |
| basa Mathura | mad-000 | dhuwaʔ |
| Kajin M̧ajeļ | mah-000 | riwe- |
| Kajin M̧ajeļ | mah-000 | ruo |
| Makasar | mak-000 | ruwa |
| മലയാളം | mal-000 | രണ്ട് |
| Proto-Austronesian | map-000 | *duSa |
| Proto-Micronesian | map-002 | *rua |
| Proto-Southern Mindanaon | map-003 | *lɨwu |
| Pondok | map-004 | dhodha |
| Baliledo | map-005 | dúda |
| Riwo | map-006 | zupa |
| Nese | map-007 | rru |
| Tape | map-008 | iru |
| Orkon | map-009 | lɔ |
| Nāti | map-010 | iru |
| Greenhill-qas | map-011 | uraru |
| Jñatio | maz-000 | yeje |
| Western Bukidnon Manobo | mbb-000 | dezuwa |
| Western Bukidnon Manobo | mbb-000 | dɨzuwa |
| Dibabawon Manobo | mbd-000 | ʼdaduʼa |
| Ilianen Manobo | mbi-000 | dɨruwa |
| Maisin | mbq-000 | sandie |
| Sarangani Manobo | mbs-000 | dowa |
| Tigwa Manobo | mbt-000 | dadua |
| мокшень кяль | mdf-000 | кафта |
| Mengen | mee-000 | lua |
| Mekeo | mek-000 | gua |
| Melanau | mel-000 | dua |
| Motu | meu-000 | rua |
| Maleu | mgl-000 | lua |
| Mambae | mgm-000 | ru |
| Mailu-Dedele | mgu-000 | ava |
| олык марий | mhr-000 | кокыт |
| Buru | mhs-000 | rua |
| Maʻanyan | mhy-000 | rueh |
| Moor | mhz-000 | ruro |
| Toʼon Savi | mim-000 | uvi |
| Minangkabau | min-000 | duo |
| Matukar | mjk-000 | aru |
| Matukar | mjk-000 | y awa |
| македонски | mkd-000 | два |
| Mokilese | mkj-000 | ria- |
| Makasae | mkz-000 | lolae |
| Malti | mlt-000 | tnejn |
| To’abaita | mlu-000 | rua |
| Mwotlap | mlv-000 | ßʊ-yʊ |
| Mamanwa | mmn-000 | dowa |
| Emae | mmw-000 | rua |
| Madak | mmx-000 | gepuna |
| Muna | mnb-000 | dua |
| manju gisun | mnc-000 | juwe |
| Mandinka | mnk-000 | fula |
| Sosva | mns-001 | kitiɣ |
| Mansi | mns-007 | kitiɣ |
| Rennell-Belona | mnv-000 | gua |
| ဘာသာ မန် | mnw-000 | ၜါ |
| Mongondow | mog-000 | deewa |
| Mongondow | mog-000 | deyowa |
| Mongondow | mog-000 | dua |
| kanien’kéha | moh-000 | tekeni |
| Molima | mox-000 | lua |
| Misima-Paneati | mpx-000 | elua |
| Manggarai | mqy-000 | sua |
| reo Māori | mri-000 | karooa |
| reo Māori | mri-000 | rua |
| Mortlockese | mrl-000 | rúwa- |
| Cheke Holo | mrn-000 | pea |
| Cheke Holo | mrn-000 | phiei |
| ‘E‘o ‘Kenata | mrq-000 | ʻua |
| Mangareva | mrv-000 | rua |
| Maranao | mrw-000 | doa |
| Mansaka | msk-000 | duwa |
| Cotabato Manobo | mta-000 | duwa |
| Mono | mte-000 | e-lua |
| Mota | mtt-000 | rua |
| Manam | mva-000 | rua |
| Mamboru | mvd-000 | duada |
| Myaakufutsu | mvi-000 | ftā |
| Marovo | mvo-000 | karua |
| Mouk | mwh-001 | oxuo |
| Aria | mwh-002 | oruo |
| Peterara | mwo-000 | rua |
| Moken | mwt-000 | thəwaʔ |
| Hmoob Dawb | mww-000 | ngei6 |
| Hmoob Dawb | mww-000 | so:ŋ1 |
| Hmoob Dawb | mww-000 | ɔ 1 |
| Modang | mxd-000 | ləgəʼ |
| Mele-Fila | mxe-000 | rua |
| Central Masela | mxz-000 | ʼʋuru |
| မြန်မာဘာသာ | mya-000 | နှစ် |
| эрзянь кель | myv-000 | кавто |
| Wichí Lhamtés Güisnay | mzh-000 | lus |
| Nakanai | nak-000 | -lua |
| Nakanai | nak-000 | ilua |
| Nalik | nal-000 | marua |
| Nalik | nal-000 | uru |
| napulitano | nap-000 | ddoje |
| irpino | nap-003 | ddoje |
| dorerin Naoero | nau-000 | a|ro |
| Diné bizaad | nav-000 | naaki |
| Nicobar | ncb-000 | âṅ |
| Nāhuatlahtōlli | nci-000 | ome |
| Nauna | ncn-000 | ruh |
| Nedersaksisch | nds-001 | twee |
| Nêlêmwa | nee-000 | -du |
| Nêlêmwa | nee-000 | -lu |
| Nêlêmwa | nee-000 | -ru |
| Nengone | nen-000 | rewè |
| Äiwoo | nfl-000 | li-lu |
| Nanggu | ngr-000 | lʌli |
| Takuu | nho-000 | rua |
| Nias | nia-000 | dua |
| Ngaju | nij-000 | due |
| Ngaju | nij-000 | dueʼ |
| Ngaju | nij-000 | duɛʔ |
| Nila | nil-000 | ʼru |
| няˮ | nio-000 | ситi |
| ko e vagahau Niuē | niu-000 | ua |
| Nukuoro | nkr-000 | lua |
| Nederlands | nld-000 | twee |
| Gela | nlg-000 | rua |
| Namakir | nmk-000 | iru |
| Manang | nmm-000 | 4ŋi |
| !Xóõ | nmn-000 | ǂnûm |
| nynorsk | nno-000 | to |
| bokmål | nob-000 | to |
| Lala | nrz-000 | luʼa |
| Nehan | nsn-000 | roriki |
| Nehan | nsn-000 | torik |
| Nehan | nsn-000 | torik[i] |
| Ngaanyatjarra | ntj-000 | kutjarra |
| Natügu | ntu-000 | li |
| Southwest Tanna | nwi-000 | kəla|lu |
| Meherrin | nwy-000 | dekeni |
| Ngad'a | nxg-000 | zua |
| 上古汉语 | och-000 | 二 |
| shànggǔ hànyǔ | och-001 | ni[jtk]-s |
| lengadocian | oci-003 | doas |
| lengadocian | oci-003 | dos |
| gascon | oci-004 | duas |
| gascon | oci-004 | dus |
| Oirata | oia-000 | ʼei |
| Luangiua | ojv-000 | lua |
| protomixtecano | omq-002 | *uwi |
| Be | onb-000 | sɯ31 |
| Tohono O'odham | ood-000 | go:k |
| Orochon | orh-000 | dʒu:r |
| Wazhazhe ie | osa-000 | thoŋbá |
| ирон ӕвзаг | oss-000 | дыууæ |
| дыгуронау | oss-001 | дууæ |
| Kadorih | otd-001 | duo |
| Hñähñu | ote-000 | yoho |
| Pangasinan | pag-000 | dua |
| Pangasinan | pag-000 | duara |
| Pangasinan | pag-000 | duaʼra |
| Amanung Sisuan | pam-000 | adua |
| Amanung Sisuan | pam-000 | adwáq |
| tekoi ra Belau | pau-000 | o-rung |
| Pawnee | paw-000 | pítku |
| فارسی | pes-000 | دو |
| Vaeakau-Taumako | piv-000 | lua |
| Pukapuka | pkp-000 | lua |
| Proto-Cen Malayo-Polynesian | plf-002 | *dua |
| Paulohi | plh-000 | rua |
| fiteny Malagasy | plt-000 | roa |
| fiteny Malagasy | plt-000 | róa |
| Southwest Palawano | plv-000 | dua |
| Brooke’s Point Palawano | plw-000 | dua |
| Brooke’s Point Palawano | plw-000 | duwá |
| Paama | pma-000 | elue |
| Pamona | pmf-000 | rua |
| Reo Pa‘umotu | pmt-000 | rua |
| Penrhyn | pnh-000 | rua |
| Nuntajɨyi | poi-000 | meche |
| polski | pol-000 | dwa |
| mahsen en Pohnpei | pon-000 | ria-u |
| português | por-000 | dois |
| português | por-000 | duas |
| Proto-Malayo-Polynesian | poz-000 | *duha |
| Proto-Cen E Malayo-Polynesian | pqe-002 | *dua |
| Proto-Oceanic | pqe-004 | *rua |
| Prūsiskan | prg-000 | dwai |
| Pasemah | pse-000 | duə |
| Kaulong | pss-000 | ponwal |
| Puluwatese | puw-000 | rúwa- |
| Puluwatese | puw-000 | rúúw |
| Gapapaiwa | pwg-000 | rua |
| Paiwan | pwn-000 | ḍusa |
| Puyuma | pyu-000 | lua |
| Puyuma | pyu-000 | lusa |
| Puyuma | pyu-000 | rua |
| Puyuma | pyu-000 | ruʼaʔ |
| Qatzijobʼal | quc-000 | kaibʼ |
| Chanka rimay | quy-000 | iskay |
| Rapanui | rap-000 | rua |
| Māori Kūki ʻĀirani | rar-000 | rua |
| Kayan | ree-000 | duaʔ |
| Rejang | rej-000 | duəy |
| Roma | rmm-000 | woʼɾua |
| Kalderašicko Romani čhib | rmy-000 | duj |
| Tae' | rob-000 | dua |
| Tae' | rob-000 | labuʔi |
| lingua rumantscha | roh-000 | duas |
| lingua rumantscha | roh-000 | dus |
| română | ron-000 | doi |
| română | ron-000 | două |
| Ririo | rri-000 | kér |
| Roro | rro-000 | rúa |
| Rotuman | rtm-000 | rua |
| русиньскый язык | rue-000 | два |
| Roviana | rug-000 | karu[a] |
| limba istroromånă | ruo-000 | doi |
| limba armãneascã | rup-000 | doi |
| limba meglenoromană | ruq-000 | doi |
| русский | rus-000 | два |
| Shimayumuta | ryn-000 | taa |
| саха тыла | sah-000 | икки |
| Sasak | sas-000 | due |
| Sasak | sas-000 | duə |
| Santali | sat-001 | bar |
| Simbo | sbb-000 | rua |
| Saliba | sbe-000 | labui |
| Botolan Sambal | sbl-000 | loʼa |
| lingua siciliana | scn-000 | dui |
| lingua siciliana | scn-000 | dù |
| lingua siciliana | scn-000 | rui |
| Scots leid | sco-000 | twa |
| шӧльӄумыт әты | sel-000 | шэды |
| Goídelc | sga-000 | dó |
| Surigaonon | sgd-000 | duha |
| Punan Kelai | sge-000 | agoʼ |
| Žemaitiu | sgs-000 | do |
| Žemaitiu | sgs-000 | dvė |
| Ft. Hall | shh-001 | wahatehwe |
| လိၵ်ႈတႆး | shn-000 | သွင် |
| ລິ່ກໄຕ໊ | shn-003 | ສອງ |
| Numbami | sij-000 | luwa |
| Mapun | sjm-000 | duwa |
| Siar | sjr-000 | iru |
| Sika | ski-000 | rua |
| Sakao | sku-000 | ru |
| Sikaiana | sky-000 | lua |
| Sekar | skz-000 | nua |
| slovenčina | slk-000 | dva |
| Lamaholot Ile Mandiri | slp-000 | rua |
| Selaru | slu-000 | ru |
| slovenščina | slv-000 | dve |
| davvisámegiella | sme-000 | guokte |
| Samal | sml-000 | dua |
| gagana faʻa Samoa | smo-000 | e lua |
| Vilirupu | snc-000 | lualua |
| Singhi | sne-000 | duex |
| Sangil | snl-000 | daʼḷua |
| Nahavaq | sns-000 | ru |
| Sobei | sob-000 | daidu |
| Solos | sol-000 | huanu |
| Sonsorol | sov-000 | lie- |
| español | spa-000 | dos |
| Taiof | sps-000 | fuan |
| Sranantongo | srn-000 | tu |
| српски | srp-000 | два |
| Serua | srw-000 | ʼrua |
| Thao | ssf-000 | tusha |
| Seimat | ssg-000 | hũõhu |
| So'a | ssq-000 | zua |
| Sengseng | ssz-000 | hwo |
| Sengseng | ssz-000 | ponuwal |
| Santa Ana | stn-000 | rua |
| Satawalese | stw-000 | ruwa- |
| Siocon Subanon | suc-000 | duaq |
| basa Sunda | sun-000 | dua |
| Serili | sve-000 | ʼburu |
| Savosavo | svs-000 | edo |
| svenska | swe-000 | två |
| Kiswahili | swh-000 | mbili |
| Sangir | sxn-000 | darua |
| Sangir | sxn-000 | dua |
| Saaroa | sxr-000 | sou |
| Saaroa | sxr-000 | su:a |
| Saaroa | sxr-000 | usua |
| Sindangan Subanun | syb-000 | duaq |
| ܠܫܢܐ ܣܘܪܝܝܐ | syc-000 | ܬܪܝܢ |
| ܠܫܢܐ ܣܘܪܝܝܐ | syc-000 | ܬܪܬܝܢ |
| табасаран чӀал | tab-000 | кьюб |
| reo Tahiti | tah-000 | piti |
| reo Tahiti | tah-000 | rooa |
| reo Tahiti | tah-000 | rua |
| தமிழ் | tam-000 | இரண்டு |
| Yami | tao-000 | adoa |
| Yami | tao-000 | roa |
| Yami | tao-000 | ruʼaʔ |
| tatar tele | tat-000 | ике |
| Atayal | tay-000 | rusaʔ |
| Atayal | tay-000 | saieng |
| Atayal | tay-000 | sajin |
| Atayal | tay-000 | saziŋ |
| Atayal | tay-000 | saʼiŋ |
| Takia | tbc-000 | aru |
| Takia | tbc-000 | raru |
| Tanimbili | tbe-000 | mbuyu |
| Mandara | tbf-000 | lua |
| Tiang | tbj-000 | iwai |
| Kalamian Tagbanwa | tbk-000 | duruaq |
| Tboli | tbl-000 | lɨwuh |
| Tboli | tbl-000 | sɔtuh |
| Tetun Dili | tdt-000 | rua |
| తెలుగు | tel-000 | రెండు |
| Denaʼina Qenaga | tfn-000 | nutiha |
| Tigak | tgc-000 | pa|uak |
| тоҷикӣ | tgk-000 | ду |
| Tagalog | tgl-000 | dalawa |
| Tagalog | tgl-000 | dalawá |
| Tagbanwa | tgt-000 | dua |
| ภาษาไทย | tha-000 | สอง |
| Timugon Murut | tih-000 | duo |
| Teop | tio-000 | buaku |
| Tunjung | tjg-000 | rəgaʔ |
| Tokelau | tkl-000 | lua |
| Tikopia | tkp-000 | rua |
| Teanu | tkw-000 | tilu |
| Teanu | tkw-000 | ti|lu |
| Lingít | tli-000 | déix̲ |
| Tolo | tlr-000 | ruka |
| Sou Amana Teru | tlu-000 | rua |
| Soboyo | tlv-000 | howo |
| Khehek | tlx-000 | lueh |
| Avava | tmb-000 | iru |
| Kwamera | tnk-000 | kəru |
| Lenakel | tnl-000 | kiu |
| Tontemboan | tnt-000 | rua |
| Tanema | tnx-000 | lalu |
| lea fakatonga | ton-000 | ua |
| tutunakutachawin | top-000 | tuy |
| Tarpia | tpf-000 | arko |
| Tupinambá | tpn-000 | mokõi |
| xnaꞌátj tu̱ꞌ | trc-000 | vìj |
| Taroko | trv-000 | daha |
| Taroko | trv-000 | daháʔ |
| Tausug | tsg-000 | duah |
| Tsou | tsu-000 | eúso |
| pʼurhépecha uantakua | tsz-000 | tsimani |
| yesą́ | tta-000 | nomp |
| Torau | ttu-000 | erua |
| Sivisa Titan | ttv-000 | aruo |
| türkmençe | tuk-000 | iki |
| türkmençe | tuk-000 | ikki |
| Türkçe | tur-000 | iki |
| Vaghua | tva-000 | karua |
| Teun | tve-000 | ʼru |
| Southeast Ambrym | tvk-000 | lu |
| Tela-Masbuar | tvm-000 | woʼru |
| Termanu | twu-000 | dua |
| kuśiññe | txb-000 | wi |
| Ngaibor | txn-001 | rua |
| Tonsea | txs-000 | dua |
| тыва дыл | tyv-000 | ийи |
| Tugun | tzn-000 | ʼrua |
| Batsꞌi kꞌop | tzo-000 | cha7 |
| Ubir | ubr-000 | rua|m |
| Ujir | udj-000 | rúa |
| ئۇيغۇرچە | uig-000 | iki |
| українська | ukr-000 | два |
| Lënapei lixsëwakàn | unm-000 | nisha |
| Uruava | urv-000 | rua |
| Nembao | utp-000 | llu |
| Kulon-Pazeh | uun-000 | dusa |
| Kulon-Pazeh | uun-000 | dusáʔ |
| Ura | uur-000 | ŋgelu |
| Fagauvea | uve-000 | lua |
| oʻzbek | uzn-000 | ikki |
| Kokwari | vbb-000 | ʼwuru |
| łéngua vèneta | vec-000 | do |
| vepsän kel’ | vep-000 | kaks |
| vepsän kel’ | vep-000 | kaksʼ |
| tiếng Việt | vie-000 | hai |
| East Masela | vme-000 | ʼvuru |
| Minigir | vmg-000 | aurua |
| Vano | vnk-000 | taru |
| Neveʻei | vnm-000 | iru |
| vad’d’a tšeeli | vot-000 | kahsi |
| võro kiil | vro-000 | kats |
| Varisi | vrs-000 | karua |
| Wandamen | wad-000 | muandu |
| Watubela | wah-000 | lua |
| Wedau | wed-000 | ruaha |
| Perai | wet-000 | ʼrua |
| Wejewa | wew-000 | duada |
| Muduapa | wiv-000 | rua |
| lingaedje walon | wln-000 | deus |
| Wolio | wlo-000 | -rua |
| Wolio | wlo-000 | jua |
| Fakaʻuvea | wls-000 | lua |
| Wanukaka | wnk-000 | dúba |
| Wogeo | woc-000 | rua |
| Woleaian | woe-000 | riuwa- |
| Woleaian | woe-000 | rúwa |
| Woleaian | woe-000 | rúwe- |
| Woleaian | woe-000 | rúúwa |
| Woleaian | woe-000 | rúúwe |
| kàllaama wolof | wol-000 | ñaar |
| Waropen | wrp-000 | woru |
| Wuvulu-Aua | wuv-000 | -kua |
| Wangaaypuwan-Ngiyampaa | wyb-000 | gõõth-thu-rru |
| хальмг келн | xal-000 | хойр |
| Камасинский | xas-001 | шидэ |
| Kambera | xbr-000 | dambu |
| Kambera | xbr-000 | dua |
| Kambera | xbr-000 | dàmbu |
| Tongva | xgf-000 | weheeʼ |
| Kenyah | xkl-000 | dua |
| Matbat | xmt-000 | lo |
| Mori Bawah | xmz-000 | orua |
| Kanakanabu | xnb-000 | cúsa |
| Northern Kankanay | xnn-000 | doʼwa |
| Saisiyat | xsy-000 | roŝaʔ |
| Yapese | yap-000 | lʼagruw |
| Yoem Noki | yaq-000 | woi |
| Buyang | yha-000 | sʰɔŋ1 |
| Buyang | yha-000 | ɕa54 |
| Yakan | yka-000 | duwe |
| Yakamul | ykm-000 | rou |
| èdè Yorùbá | yor-000 | méjì |
| ненэця’ вада | yrk-000 | сидя |
| Maaya Tʼaan | yua-000 | kaʼa |
| 廣東話 | yue-000 | 二 |
| diidza xhon | zad-000 | chope |
| didxazá | zai-000 | chu1pa2 |
| Melawan | zbc-000 | lebih |
| Magori | zgr-000 | buau |
| Melayu | zlm-000 | duak |
| Bahasa Malaysia | zsm-000 | dua |
| isiZulu | zul-000 | -bili |
| Shiwiʼma | zun-000 | kwili |
| Wuming | zyb-001 | ja323 |
| Wuming | zyb-001 | nyi33 |