golf-club vs golf club

golf-club and golf club both are nouns.

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

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

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

Other synonyms of golf-club include club, golfclub.

golf-club (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