sweats vs sweat suit

sweats and sweat suit both are nouns.

Word	Noun	Adjective	Verb	Adverb
sweats	Yes	No	No	No
sweat suit	Yes	No	No	No

As nouns, sweats and sweat suit are synonyms defined as:

sweats and sweat suit: garment consisting of sweat pants and a sweatshirt

Other synonyms of sweats include sweatsuit, workout suit.

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