coif vs coiffure

coif and coiffure both are nouns.

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

As nouns, coif and coiffure are synonyms defined as:

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

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

As verbs, coif and coiffure are synonyms defined as:

Other synonyms of coif include arrange, coiffe, do, dress, set.

coif (noun)	coiffure (noun)
a skullcap worn by nuns under a veil or by soldiers under a hood of mail or formerly by British sergeants-at-law	the arrangement of the hair (especially a woman's hair)
the arrangement of the hair (especially a woman's hair)

coif (verb)	coiffure (verb)
arrange attractively	arrange attractively
cover with a coif