dukedom

[ dook-duh m, dyook- ]

/ ˈduk dəm, ˈdyuk- /

a duchy.

the office or rank of a duke.

Origin of dukedom

late Middle English word dating back to 1425–75; see origin at duke, -dom

After her husband, Andrew, inherited the dukedom in 1950, Debo found herself in charge of seven houses in short order.

The Duchess Tells All |Chloë Schama |November 25, 2010 |DAILY BEAST
You are weary of her, too; all your Dukedom knows that right well—weary of her, and you dare not dismiss her!

A German Pompadour |Marie Hay
The Duke hath built it but a few years, and, indeed, his Dukedom itself is scarce older.

Micah Clarke |Arthur Conan Doyle
Tuscany is a dukedom no longer, but a component part of a great peninsular kingdom with “Florence the Beautiful” for its capital.

The Humbugs of the World |P. T. Barnum

John, Duke of Burgundy, surnamed the Fearless, succeeded to the dukedom in 1403.

King Henry the Fifth |William Shakespeare
And he himself, when he first came to his dukedom, was not as he was now.

The Prime Minister |Anthony Trollope

dukedom

/ (ˈdjuːkdəm) /

another name for a duchy

the title, rank, or position of a duke