| Language | Word |
|---|---|
| English | duke |
| Estonian | vürst |
| Estonian | hertsog |
| Croatian | vojvoda |
| Hungarian | mancs |
| Hungarian | pracli |
| Hungarian | ököl |
| Hungarian | herceg |
| Hungarian | kéz |
| Serbian | knez |
| Serbian | vojvoda |
| Czech | kníže |
| Czech | velkovévoda |
| Czech | vévoda |
| Dutch | hertog |
| Finnish | herttua |
| Italian | duce |
| Norwegian | hertug |
| Portuguese | duque |
| Spanish | duque |
| Swedish | hertig |
| German | Adelshierarchiestufen im UK |
| German | Herzog |
| Estonian | vürst, hertsog |