sweat suit vs sweats

sweat suit and sweats both are nouns.

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

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

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

Other synonyms of sweat suit include sweatsuit, workout suit.

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