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