masseuse vs adult female

masseuse and adult female both are nouns.

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

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

Other hypernyms of masseuse include massager, woman.

masseuse (noun)	adult female (noun)
a female massager	an adult female person (as opposed to a man)