jumpsuit vs jump suit

jumpsuit and jump suit both are nouns.

Word	Noun	Adjective	Verb	Adverb
jumpsuit	Yes	No	No	No
jump suit	Yes	No	No	No

As nouns, jumpsuit and jump suit are synonyms defined as:

jumpsuit and jump suit: one-piece garment fashioned after a parachutist's uniform

jumpsuit (noun)	jump suit (noun)
one-piece garment fashioned after a parachutist's uniform	one-piece uniform worn by parachutists
	one-piece garment fashioned after a parachutist's uniform