golf-club vs golfclub

golf-club and golfclub both are nouns.

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

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

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

Other synonyms of golf-club include club, golf club.

golf-club (noun)	golfclub (noun)
golf equipment used by a golfer to hit a golf ball	golf equipment used by a golfer to hit a golf ball