| Part of speech | unknown part of speech |
|---|
| Singular | Plural | |
|---|---|---|
| Nominative | cefalofo | cefalofoj |
| Accusative | cefalofon | cefalofojn |
| Catalan | duiquer |
|---|---|
| Czech | chocholatka |
| Dutch | duikerbok; duiker |
| English | duikerbok; duiker |
| German | Ducker |
| Italian | cefalofo |
| Norwegian | duiker |
| Polish | dujker |
| Portuguese | duiker |
| Russian | дукер |
| Spanish | cefalofo |
| Swedish | dykare |