jumper vs garment

jumper and garment both are nouns.

Word	Noun	Adjective	Verb	Adverb
jumper	Yes	No	No	No
garment	Yes	No	Yes	No

As nouns, garment is a hypernym of jumper; that is, garment is a word with a broader meaning than jumper:

jumper (noun)	garment (noun)
(basketball) a player releases the basketball at the high point of a jump	an article of clothing
a sleeveless dress resembling an apron; worn over other clothing
a loose jacket or blouse worn by workmen
a small connector used to make temporary electrical connections
a coverall worn by children
a crocheted or knitted garment covering the upper part of the body
an athlete who competes at jumping
a person who jumps

jumper (verb)	garment (verb)
	provide with clothes or put clothes on