die Herzogin
duchess
A woman who holds the noble title of duke, either by birth or through marriage to a duke.
Die Herzogin von Sussex nahm an der Wohltätigkeitsveranstaltung teil.
The Duchess of Sussex attended the charity event.

duchess
Loading your saved state.
duchess
A woman who holds the noble title of duke, either by birth or through marriage to a duke.
Die Herzogin von Sussex nahm an der Wohltätigkeitsveranstaltung teil.
The Duchess of Sussex attended the charity event.

The word 'Herzogin' (duchess) is the feminine form of 'der Herzog' (duke). The ending '-in' is often used in German to form feminine terms for people. The vowel of the base word often changes to an umlaut in the process here: o → ö.
Die Herzogin besuchte die Ausstellung zusammen mit dem Herzog.
The duchess visited the exhibition together with the duke.
The title 'Herzogin' (duchess) is almost always used with the preposition 'von' (of/from) and a geographical name to indicate the territory ruled or the person's origin.
Die Geschichte der Herzogin von Alba ist sehr interessant.
The story of the Duchess of Alba is very interesting.
This word belongs to a formal register and is mainly used in historical, noble, or fairy-tale contexts.
Im Märchen heiratet der Prinz eine wunderschöne Herzogin.
In the fairy tale, the prince marries a beautiful duchess.
duke
'Herzog' and 'Herzogin' belong to the same noble title, but they differ in gender. A 'Herzog' is a man with this high title. A 'Herzogin' is a woman with this title, for example by birth or through marriage. The words can be confused because they look almost the same and refer to the same rank. Pay attention to the ending: '-in' shows the feminine form here.

Die Herzogin empfing die Gäste im großen Saal des Schlosses.
The duchess received the guests in the castle's great hall.
Im Geschichtsbuch steht, dass der Herzog viele Jahre über das Gebiet herrschte.
The history book says that the duke ruled over the territory for many years.