mohawk haircut vs haircut

mohawk haircut and haircut both are nouns.

Word	Noun	Adjective	Verb	Adverb
mohawk haircut	Yes	No	No	No
haircut	Yes	No	No	No

As nouns, haircut is a hypernym of mohawk haircut; that is, haircut is a word with a broader meaning than mohawk haircut:

mohawk haircut: haircut in which the head is shaved except for a band of hair down the middle of the scalp
haircut: the style in which hair has been cut

mohawk haircut (noun)	haircut (noun)
haircut in which the head is shaved except for a band of hair down the middle of the scalp	the act of cutting the hair
	the style in which hair has been cut