kaffiyeh vs headgear

kaffiyeh and headgear both are nouns.

Word	Noun	Adjective	Verb	Adverb
kaffiyeh	Yes	No	No	No
headgear	Yes	No	No	No

As nouns, headgear is a hypernym of kaffiyeh; that is, headgear is a word with a broader meaning than kaffiyeh:

kaffiyeh: an Arab headdress consisting of a square piece of cloth folded into a triangle and fastened over the crown by an agal
headgear: clothing for the head

Other hypernyms of kaffiyeh include headdress.

kaffiyeh (noun)	headgear (noun)
an Arab headdress consisting of a square piece of cloth folded into a triangle and fastened over the crown by an agal	clothing for the head
	stable gear consisting of any part of a harness that fits about the horse's head
	the hoist at the pithead of a mine