hairstyle vs coiffure

hairstyle and coiffure both are nouns.

Word	Noun	Adjective	Verb	Adverb
hairstyle	Yes	No	No	No
coiffure	Yes	No	Yes	No

As nouns, hairstyle and coiffure are synonyms defined as:

hairstyle and coiffure: the arrangement of the hair (especially a woman's hair)

Other synonyms of hairstyle include coif, hair style, hairdo.

hairstyle (noun)	coiffure (noun)
the arrangement of the hair (especially a woman's hair)	the arrangement of the hair (especially a woman's hair)

hairstyle (verb)	coiffure (verb)
	arrange attractively