club-head vs club head

club-head and club head both are nouns.

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

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

club-head and club head: (golf) the head of the club which strikes the ball

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

club-head (noun)	club head (noun)
(golf) the head of the club which strikes the ball	(golf) the head of the club which strikes the ball