golfclub vs golf club

golfclub and golf club both are nouns.

Word	Noun	Adjective	Verb	Adverb
golfclub	Yes	No	No	No
golf club	Yes	No	No	No

As nouns, golfclub and golf club are synonyms defined as:

golfclub and golf club: golf equipment used by a golfer to hit a golf ball

Other synonyms of golfclub include club, golf-club.

golfclub (noun)	golf club (noun)
golf equipment used by a golfer to hit a golf ball	golf equipment used by a golfer to hit a golf ball
	a club of people to play golf