The feminine form of "colt" is "filly." A colt refers to a young male horse, while a filly is a young female horse typically under four years of age. Both terms are commonly used in equestrian contexts to distinguish between young male and female horses.
blonde
femine
goddess
feminine
Transexual
"Countess".
Hero?
heroine
== == == ==
Feminine.
The feminine of gentleman is gentlewoman.
éclair is masculine.