1. A prince of the houses of Russia and Austria.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• archduck,
• archdukal,
• archduch,
• zrchduke,
• srchduke,
• wrchduke,
• qrchduke,
• aechduke,
• adchduke,
• archduks,
• archeduke,
• arcduke,
• archduk,
• archduka,
• orchidlke,
• earthdrke,
• archlikke,
• Arkhiute,
• archduqu,
• arckduke

• archduchy,
• archduchess,
• archducal,
• archdiocese,
• arched,
• archdeacon,
• arecidae.

The adjective form of the word "archduke" is "archducal".

The plural of the "archduke" can be the "archdukes".

The singular of the "archduke" can be the "archduke".