sculptress vs adult female

sculptress and adult female both are nouns.

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

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

Other hypernyms of sculptress include carver, sculptor, sculpturer, statue maker, woman.

sculptress (noun)	adult female (noun)
a woman sculptor	an adult female person (as opposed to a man)