| Part of speech | cardinal number |
|---|
| Afrikaans | vyftig |
|---|---|
| Albanian | pesëdhjetë |
| Catalan | cinquanta |
| Danish | halvtreds; halvtredsindstyve |
| Dutch | vijftig |
| English | fifty |
| Esperanto | kvindek |
| Finnish | viisikymmentä |
| French | cinquante |
| German | fünfzig |
| Greek | πενήντα |
| Hungarian | ötven |
| Icelandic | fimmtíu |
| Italian | cinquanta |
| Jamaican Patois | fiti |
| Latin | quinquaginta |
| Low German | vövtig; vyvtig |
| Luxemburgish | fofzeg |
| Norwegian | femti |
| Papiamento | sinkuenta |
| Polish | pięćdziesiąt |
| Portuguese | cinquenta |
| Saterland Frisian | füüftich |
| Sranan | feyfitenti |
| Swahili | hamsini |
| Swedish | femti; femtio |
| Thai | ห้าสิบ |
| West Frisian | fyftich |