| ελληνικά | ell-000 |
| Μέγας Δούκας | |
| Afrikaans | afr-000 | hertog |
| العربية | arb-000 | دوق |
| čeština | ces-000 | vévoda |
| 普通话 | cmn-000 | 公爵 |
| 國語 | cmn-001 | 公爵 |
| Hànyǔ | cmn-003 | gōng jue |
| ελληνικά | ell-000 | δούκας |
| English | eng-000 | duke |
| français | fra-000 | duc |
| Frysk | fry-000 | hartoch |
| Gàidhlig | gla-000 | diùc |
| Gaeilge | gle-000 | diúc |
| galego | glg-000 | duque |
| yn Ghaelg | glv-000 | duic |
| diutisk | goh-000 | herizogo |
| עברית | heb-000 | דוכס |
| hrvatski | hrv-000 | vojvoda |
| magyar | hun-000 | mancs |
| bahasa Indonesia | ind-000 | adipati |
| íslenska | isl-000 | hertogi |
| монгол | khk-000 | гүн |
| Limburgs | lim-000 | hertog |
| lietuvių | lit-000 | hercogas |
| latviešu | lvs-000 | hercogs |
| македонски | mkd-000 | велик војвода |
| македонски | mkd-000 | војвода |
| Malti | mlt-000 | duka |
| reo Māori | mri-000 | tiuka |
| bokmål | nob-000 | hertug |
| português | por-000 | duque |
| slovenčina | slk-000 | vojvoda |
| slovenščina | slv-000 | vojvoda |
| svenska | swe-000 | hertig |
| ภาษาไทย | tha-000 | ท่านดยุค |
| Türkçe | tur-000 | duka |
| Türkçe | tur-000 | dük |
| українська | ukr-000 | герцог |
| Volapük | vol-000 | dük |