lovely vs adult female

lovely and adult female both are nouns.

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

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

Other hypernyms of lovely include photographer's model, woman.

lovely (noun)	adult female (noun)
a very pretty girl who works as a photographer's model	an adult female person (as opposed to a man)

lovely (adjective)	adult female (adjective)
appealing to the emotions as well as the eye
lovable especially in a childlike or naive way