coiffeuse vs hairdresser

coiffeuse and hairdresser both are nouns.

Word	Noun	Adjective	Verb	Adverb
coiffeuse	Yes	No	No	No
hairdresser	Yes	No	No	No

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

Other hypernyms of coiffeuse include hairstylist, styler, stylist, adult female, woman.

coiffeuse (noun)	hairdresser (noun)
a woman hairdresser	someone who cuts or beautifies hair