Doctor is a neuter gender
Opposite gender of Filipino: Filipina
Clot is not gender specific.
Opposite gender of a Filipino: FILIPINA
An emperor is the opposite in gender to an empress.
The opposite gender of fraternity is sorority.
The opposite gender of giantess is giant.
Opposite gender to negro is-- NEGRESS
The opposite gender is girl.
The opposite gender for Joseph is Josephine.
The opposite of dairymaid is dairyman.
A Printe is the opposite gender of Printecess