jezebel vs adult female

jezebel and adult female both are nouns.

Word	Noun	Adjective	Verb	Adverb
jezebel	Yes	No	No	No
adult female	Yes	No	No	No

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

Other hypernyms of jezebel include woman.

jezebel (noun)	adult female (noun)
a shameless impudent scheming woman	an adult female person (as opposed to a man)