go-cart vs serving cart

go-cart and serving cart both are nouns.

Word	Noun	Adjective	Verb	Adverb
go-cart	Yes	No	No	No
serving cart	Yes	No	No	No

As nouns, serving cart is a hyponym of go-cart; that is, serving cart is a word with a more specific, narrower meaning than go-cart:

go-cart: wheeled vehicle that can be pushed by a person; may have one or two or four wheels
serving cart: a handcart for serving food

go-cart (noun)	serving cart (noun)
a small vehicle with four wheels in which a baby or child is pushed around	a handcart for serving food
an enclosing framework on casters or wheels; helps babies learn to walk
wheeled vehicle that can be pushed by a person; may have one or two or four wheels