Royal Titles

noun a territory or domain ruled by a duke or duchess

• The nobleman inherited the dukedom after his father passed away.
• The duke's son will soon take over the dukedom.
• The dude is living the high life in his dukedom.
• She ruled her household with the authority of a duchess in her own little dukedom.

noun a form of government in which a single person holds supreme authority

• The monarchy in England has a long history dating back centuries.
• Some people think the monarchy is outdated and unnecessary.
• I can't believe the monarchy still exists in this day and age.
• In a way, the CEO is like the monarch of the company, making all the important decisions.