mantrap vs adult female

mantrap and adult female both are nouns.

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

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

Other hypernyms of mantrap include woman.

mantrap (noun)	adult female (noun)
a trap for catching trespassers	an adult female person (as opposed to a man)
a very attractive or seductive looking woman