scalp lock vs coif

scalp lock and coif both are nouns.

Word	Noun	Adjective	Verb	Adverb
scalp lock	Yes	No	No	No
coif	Yes	No	Yes	No

As nouns, coif is a hypernym of scalp lock; that is, coif is a word with a broader meaning than scalp lock:

Other hypernyms of scalp lock include coiffure, hair style, hairdo, hairstyle.

scalp lock (noun)	coif (noun)
a long tuft of hair left on top of the shaven head	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)

scalp lock (verb)	coif (verb)
	arrange attractively
	cover with a coif