golfcart vs golf cart

golfcart and golf cart both are nouns.

Word	Noun	Adjective	Verb	Adverb
golfcart	Yes	No	No	No
golf cart	Yes	No	No	No

As nouns, golfcart and golf cart are synonyms defined as:

golfcart and golf cart: a small motor vehicle in which golfers can ride between shots

golfcart (noun)	golf cart (noun)
a small motor vehicle in which golfers can ride between shots	a small motor vehicle in which golfers can ride between shots