| Part of speech | common noun |
|---|---|
| Hyphenation | hi·po·po·tam·o |
| Singular | Plural | |
|---|---|---|
| Nominative | hipopotamo | hipopotamoj |
| Accusative | hipopotamon | hipopotamojn |
| Afrikaans | seekoei; Nylperd |
|---|---|
| Catalan | hipopòtam |
| Dutch | hippopotamus; Nijlpaard |
| English | hippo; hippopotamus; zeekoe; river‐horse |
| Faeroese | áarross; vatnhestur |
| French | hippopotame |
| German | Flußpferd; Nilpferd |
| Greek | ιπποπόταμος |
| Italian | ippopotamo |
| Jamaican Patois | ipo |
| Latin | hippopotamus |
| Russian | бегемот |
| Saterland Frisian | Nilhoangst |
| Spanish | hipopótamo |
| Swahili | kiboko |
| Swedish | flodhäst |
| West Frisian | nylhoars |