The word female can be an adjective and a noun.
The adjective form refers to belonging to the female sex.
The noun form is someone or something of the feminine sex.
female
Heiress is a noun. It's a female heir.
adjective It describes the reproductive organ
adjective
Trish is a female name, which makes it a proper noun. Proper nouns are always capitalized.
The part of speech for this particular word is a noun.
part of speech
The part of speech for "answer" is a noun.
what part of speech is beneath
adverb
Sow is a verb meaning to plant seeds. It's also a noun meaning an adult female pig.
The part of speech for "explicit" is an adjective.