long sleeve vs sleeve

long sleeve and sleeve both are nouns.

Word	Noun	Adjective	Verb	Adverb
long sleeve	Yes	No	No	No
sleeve	Yes	No	No	No

As nouns, sleeve is a hypernym of long sleeve; that is, sleeve is a word with a broader meaning than long sleeve:

long sleeve: a sleeve extending from shoulder to wrist
sleeve: the part of a garment that is attached at the armhole and that provides a cloth covering for the arm

Other hypernyms of long sleeve include arm.

long sleeve (noun)	sleeve (noun)
a sleeve extending from shoulder to wrist	the part of a garment that is attached at the armhole and that provides a cloth covering for the arm
	small case into which an object fits