filmmaker vs director

filmmaker and director both are nouns.

Word	Noun	Adjective	Verb	Adverb
filmmaker	Yes	No	No	No
director	Yes	No	No	No

As nouns, director is a hyponym of filmmaker; that is, director is a word with a more specific, narrower meaning than filmmaker:

Other hyponyms of filmmaker include auteur, film director, New Waver.

filmmaker (noun)	director (noun)
a producer of motion pictures	someone who controls resources and expenditures
	the person who leads a musical group
	someone who supervises the actors and directs the action in the production of a show
	member of a board of directors
	the person who directs the making of a film