| Part of speech | common noun |
|---|---|
| Hyphenation | ra·dik·o |
| Singular | Plural | |
|---|---|---|
| Nominative | radiko | radikoj |
| Accusative | radikon | radikojn |
| Afrikaans | wortel |
|---|---|
| Catalan | arrel; rel |
| Chinook Jargon | lalasin |
| Czech | kořen; odmocnina |
| Danish | rod |
| Dutch | wortel |
| English | root; stem; radix |
| Faeroese | rót |
| French | racine |
| German | Wurzel |
| Hawaiian | aʻa; mole; weli |
| Hungarian | gyökér |
| Icelandic | rót |
| Jamaican Patois | ruut |
| Kabylian | aẓar |
| Latin | radix |
| Luxemburgish | Wuerzel |
| Malay | akar |
| Norwegian | rot |
| Papiamento | rais |
| Polish | rdzeń; korzeń |
| Portuguese | raiz |
| Russian | корень |
| Saterland Frisian | Wuttel |
| Scottish Gaelic | freumh |
| Spanish | raíz |
| Sranan | rutu |
| Swahili | mzizi |
| Swedish | rot |
| Thai | ราก |
| Ukrainian | корінь |
| West Frisian | woartel |
| Yiddish | װאָרצל |