sweatsuit vs sweats

sweatsuit and sweats both are nouns.

Word	Noun	Adjective	Verb	Adverb
sweatsuit	Yes	No	No	No
sweats	Yes	No	No	No

As nouns, sweatsuit and sweats are synonyms defined as:

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

Other synonyms of sweatsuit include sweat suit, workout suit.

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