The noun governor is a common gender noun, a word for a male or a female government official.
The word governess is a female version of the word, but it is not the opposite and is used entirely differently. Governess is a female version of tutor, or mentor, for children.
Mayoress
Mayoress
Mayoress. Used in Britain, but not much in North America.
Doctor is a neuter gender
Opposite gender of Filipino: Filipina
Clot is not gender specific.
Opposite gender of a Filipino: FILIPINA
There isn't an opposite gender of farmer. A farmer can be either a male or a female.
An emperor is the opposite in gender to an empress.
The opposite gender of giantess is giant.
The opposite gender for Joseph is Josephine.
The opposite of dairymaid is dairyman.