Duke is male.
Duchess is female.
The female equivalent (or the wife of a duke) is a duchess.
Female verism title for Duke is Duchess
Yes, a duchess is female. A duke is male.
The title for a male is duke; the title for a female (opposite by gender) is duchess.duchess
The noun duke is a title for a male; the noun duchess is a title for a female.
Duke and Duchess Earl and Countess Viscount and Marchioness Baron and Baroness
Always male. The female counterpart is Duchess
=Male!=
Duke doesn't really have an opposite. If you mean the wife of a duke, that is a duchess.
A duke a male, a duchess is a female.
The gender noun duke is a title for a male; the gender noun for a female is duchess.
duchess (the female, not so much opposite)