go-kart vs automotive vehicle

go-kart and automotive vehicle both are nouns.

Word	Noun	Adjective	Verb	Adverb
go-kart	Yes	No	No	No
automotive vehicle	Yes	No	No	No

As nouns, automotive vehicle is a hypernym of go-kart; that is, automotive vehicle is a word with a broader meaning than go-kart:

go-kart: a small low motor vehicle with four wheels and an open framework; used for racing
automotive vehicle: a self-propelled wheeled vehicle that does not run on rails

Other hypernyms of go-kart include motor vehicle.

go-kart (noun)	automotive vehicle (noun)
a small low motor vehicle with four wheels and an open framework; used for racing	a self-propelled wheeled vehicle that does not run on rails