sweatshop vs factory

sweatshop and factory both are nouns.

Word	Noun	Adjective	Verb	Adverb
sweatshop	Yes	No	No	No
factory	Yes	No	No	No

As nouns, factory is a hypernym of sweatshop; that is, factory is a word with a broader meaning than sweatshop:

sweatshop: factory where workers do piecework for poor pay and are prevented from forming unions; common in the clothing industry
factory: a plant consisting of one or more buildings with facilities for manufacturing

Other hypernyms of sweatshop include manufactory, manufacturing plant, mill.

sweatshop (noun)	factory (noun)
factory where workers do piecework for poor pay and are prevented from forming unions; common in the clothing industry	a plant consisting of one or more buildings with facilities for manufacturing