| Part of speech | common noun |
|---|---|
| Pronunciation | /nâːk/ |
| Afrikaans | otter |
|---|---|
| Catalan | llúdria; llúdriga |
| Czech | vydra |
| Danish | odder |
| Dutch | otter |
| English | otter |
| Esperanto | lutro |
| Faeroese | otur |
| Finnish | saukko |
| French | loutre |
| German | Fischotter |
| Greek | ενυδρίδα |
| Hungarian | vidra |
| Icelandic | otur |
| Italian | lontra |
| Latin | lutra |
| Malay | berang‐berang; memerang; memberang; anjing air |
| Norwegian | oter |
| Polish | wydra |
| Portuguese | lontra |
| Romanian | vidră; lutră |
| Russian | выдра |
| Saterland Frisian | Otter |
| Spanish | ludria; nutria |
| Swahili | fisi maji |
| Swedish | utter |
| Ukrainian | видра |
| Welsh | dyfrgi |
| West Frisian | otter |