female person vs mortal

female person and mortal both are nouns.

Word	Noun	Adjective	Verb	Adverb
female person	Yes	No	No	No
mortal	Yes	Yes	No	No

As nouns, mortal is a hypernym of female person; that is, mortal is a word with a broader meaning than female person:

female person: a person who belongs to the sex that can have babies
mortal: a human being; person, singular, assertive existential pronoun; pronoun, person, singular; quantifier: assertive existential

Other hypernyms of female person include individual, person, somebody, someone, soul.

female person (noun)	mortal (noun)
a person who belongs to the sex that can have babies	a human being; person, singular, assertive existential pronoun; pronoun, person, singular; quantifier: assertive existential

female person (adjective)	mortal (adjective)
	subject to death
	unrelenting and deadly
	involving loss of divine grace or spiritual death
	causing or capable of causing death