Giant can be used for both genders. Giantess can be used for a female giant, but using giant is acceptable.
The opposite gender of giantess is giant.
Sorry, 'giant' does not denote or connote gender at all.
The 8-letter "opposite gender" of a male giant is "giantess." (There is no common 8-letter antonym to a giant or to the adjective giant.)
The opposite gender of "giant" would be "giantess." In terms of gendered language, "giant" is typically used to describe a male figure of immense size and strength, while "giantess" is used to describe a female figure of similar proportions. The addition of the suffix "-ess" is a common way in English to denote femininity or female gender.
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 for Joseph is Josephine.
The opposite of dairymaid is dairyman.