slipover vs pullover

slipover and pullover both are nouns.

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

As nouns, slipover and pullover are synonyms defined as:

slipover and pullover: a sweater that is put on by pulling it over the head

slipover (noun)	pullover (noun)
a sweater that is put on by pulling it over the head	a sweater that is put on by pulling it over the head