Some common gender nouns (synonyms) for the noun duke are:aristocratnobilityroyaltyblue blood
duke's
The noun 'duke' is a gender specific noun for a male.The corresponding gender specific noun for a female is duchess.Duchess
The noun duke is a word for a male.
The noun duke is a title for a male; the noun duchess is a title for a female.
The noun lad is a word for a male. The noun marquis is a word for a male. The noun baron is a word for a male. The noun duke is a word for a male. The noun colt is a word for a male horse under age four. The noun giant is a common gender noun as a word for a person. The noun giant is a neuter noun as a word for a thing.
Duke is a proper noun when used as a title for a specific person. For example John Doe, Duke of Anytown, or when referring to that same person later on. It is not used as a proper noun when referring to a group. For example: "The dukes were present at the ball." Unless you are referring to specific people or Duke University, Duke is not a proper noun.
The gender noun duke is a title for a male; the gender noun for a female is duchess.
common noun
Common
Common noun
common