Gender Identity
Male Dog Term : Stud / Female Dog Term: Bitch
Male emus are only referred to as male emus and female emus as female emus.
The term fiancee is used to describe both male and female.
A male rabbit is a buck and a female rabbit is a doe.
The term 'lad' refers to a male person.
The term rector is the same for female and male.
The term "female" in Spanish is hembra. (The familiar male form is hombre - male, man).
A sacristan is a unisex term. They may be male or female.
Hero and Heroine
Sex is the term that refers to the biological dimension of being a male or female human being.
Buffalo refers to the animal without designating whether the creature is male or female.
The word ox or oxen can actually refer to both male and female bovines; the term for male is bull, the female is cow.