wristband vs sleeve

wristband and sleeve both are nouns.

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

wristband (noun)	sleeve (noun)
band consisting of a part of a sleeve that covers the wrist	the part of a garment that is attached at the armhole and that provides a cloth covering for the arm
a band of cloth or leather or metal links attached to a wristwatch and wrapped around the wrist	small case into which an object fits