coiffeuse vs adult female

coiffeuse and adult female both are nouns.

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

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

Other hypernyms of coiffeuse include hairdresser, hairstylist, styler, stylist, woman.

coiffeuse (noun)	adult female (noun)
a woman hairdresser	an adult female person (as opposed to a man)