coquet vs adult female

coquet and adult female both are nouns.

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

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

Other hypernyms of coquet include woman.

coquet (noun)	adult female (noun)
a seductive man who uses his sex appeal to exploit women	an adult female person (as opposed to a man)

coquet (verb)	adult female (verb)
talk or behave amorously, without serious intentions