clubhead vs golf-club head

clubhead and golf-club head both are nouns.

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

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

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

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

clubhead (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