sweatsuit vs workout suit

sweatsuit and workout suit both are nouns.

Word	Noun	Adjective	Verb	Adverb
sweatsuit	Yes	No	No	No
workout suit	Yes	No	No	No

As nouns, sweatsuit and workout suit are synonyms defined as:

sweatsuit and workout suit: garment consisting of sweat pants and a sweatshirt

Other synonyms of sweatsuit include sweat suit, sweats.

sweatsuit (noun)	workout suit (noun)
garment consisting of sweat pants and a sweatshirt	garment consisting of sweat pants and a sweatshirt