| Part of speech | common noun |
|---|---|
| Class | ki/vi‐class |
| Plural | viboko |
| Afrikaans | seekoei |
|---|---|
| Catalan | hipopòtam |
| Dutch | hippopotamus; Nijlpaard |
| English | hippo; hippopotamus |
| Esperanto | hipopotamo |
| Faeroese | áarross; vatnhestur |
| French | hippopotame |
| German | Flußpferd; Nilpferd |
| Greek | ιπποπόταμος |
| Italian | ippopotamo |
| Jamaican Patois | ipo |
| Latin | hippopotamus |
| Russian | бегемот |
| Saterland Frisian | Nilhoangst |
| Spanish | hipopótamo |
| Swedish | flodhäst |
| West Frisian | nylhoars |