filmmaker vs movie maker

filmmaker and movie maker both are nouns.

Word	Noun	Adjective	Verb	Adverb
filmmaker	Yes	No	No	No
movie maker	Yes	No	No	No

As nouns, filmmaker and movie maker are synonyms defined as:

Other synonyms of filmmaker include film maker, film producer.

filmmaker (noun)	movie maker (noun)
a producer of motion pictures	a producer of motion pictures