club head vs golf-club head

club head and golf-club head both are nouns.

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

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

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

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

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