sweatshirt vs slipover

sweatshirt and slipover both are nouns.

Word	Noun	Adjective	Verb	Adverb
sweatshirt	Yes	No	No	No
slipover	Yes	No	No	No

As nouns, slipover is a hypernym of sweatshirt; that is, slipover is a word with a broader meaning than sweatshirt:

sweatshirt: cotton knit pullover with long sleeves worn during athletic activity
slipover: a sweater that is put on by pulling it over the head

Other hypernyms of sweatshirt include pullover.

sweatshirt (noun)	slipover (noun)
cotton knit pullover with long sleeves worn during athletic activity	a sweater that is put on by pulling it over the head