| Part of speech | cardinal number |
|---|---|
| Pronunciation | /tuː/ |
| Hyphenation | two |
| Shavian alphabet | 𐑑𐑵 |
| Deseret alphabet | 𐐻𐐭 |
| Afrikaans | twee |
|---|---|
| Albanian | dy |
| Catalan | dos |
| Czech | dva |
| Danish | to |
| Dutch | twee |
| English (Old English) | twegen |
| Esperanto | du |
| Faeroese | tveir |
| Finnish | kaksi |
| French | deux |
| German | zwei |
| Greek | δυο; δύο |
| Hawaiian | lua |
| Hungarian | kettő |
| Icelandic | tveir |
| Italian | due |
| Jamaican Patois | tuu |
| Kabylian | sin |
| Latin | duo |
| Low German | twey |
| Luxemburgish | zwéin; zwee |
| Malay | dua |
| Norwegian | to |
| Papiamento | dos |
| Polish | dwa |
| Portuguese | dois; duas |
| Romanian | doi; doi |
| Russian | два |
| Saterland Frisian | two |
| Scots | twa |
| Scottish Gaelic | dà |
| Spanish | dos |
| Sranan | tu |
| Swahili | mbili; pili |
| Swedish | två |
| Thai | โท; สอง |
| Turkish | iki |
| Welsh | dau |
| West Frisian | twa |
| Yiddish | צװײ |