young-bearing vs female

young-bearing is not a noun while female is a noun.

Word	Noun	Adjective	Verb	Adverb
young-bearing	No	Yes	No	No
female	Yes	Yes	No	No

young-bearing (noun)	female (noun)
	an animal that produces gametes (ova) that can be fertilized by male gametes (spermatozoa)
	a person who belongs to the sex that can have babies

young-bearing (adjective)	female (adjective)
capable of producing eggs and bearing offspring	being the sex (of plant or animal) that produces fertilizable gametes (ova) from which offspring develop
	for or pertaining to or composed of women or girls
	characteristic of or peculiar to a woman