| Pronunciation | /hippoˈpotamus/ |
|---|---|
| Part of speech | common noun |
| Gender | masculine |
| Singular | Plural | |
|---|---|---|
| Nominative | hippopotamus | hippopotami |
| Vocative | hippopotame | hippopotami |
| Genitive | hippopotami | hippopotamorum |
| Dative | hippopotamo | hippopotamis |
| Accusative | hippopotamum | hippopotamos |
| Ablative | hippopotamo | hippopotamis |
| 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 |
| Russian | бегемот |
| Saterland Frisian | Nilhoangst |
| Spanish | hipopótamo |
| Swahili | kiboko |
| Swedish | flodhäst |
| West Frisian | nylhoars |