| Part of speech | common noun |
|---|---|
| Hyphenation | duk·land·o |
| Singular | Plural | |
|---|---|---|
| Nominative | duklando | duklandoj |
| Accusative | duklandon | duklandojn |
| Afrikaans | hertogdom |
|---|---|
| Catalan | ducat |
| Czech | vévodství |
| Danish | hertugdomme |
| Dutch | hertogdom |
| English | duchy |
| French | duché |
| German | Herzogtum |
| Low German | hartogdom |
| Portuguese | ducado |
| Saterland Frisian | Härtsochdum |
| Spanish | ducado |
| Swedish | hertigdöme |
| Welsh | dugiaeth |
| West Frisian | hartochdom |