motion picture vs motion-picture show

motion picture and motion-picture show both are nouns.

Word	Noun	Adjective	Verb	Adverb
motion picture	Yes	No	No	No
motion-picture show	Yes	No	No	No

As nouns, motion picture and motion-picture show are synonyms defined as:

motion picture and motion-picture show: a form of entertainment that enacts a story by sound and a sequence of images giving the illusion of continuous movement

Other synonyms of motion picture include film, flick, movie, moving-picture show, moving picture, pic, picture, picture show.

motion picture (noun)	motion-picture show (noun)
a form of entertainment that enacts a story by sound and a sequence of images giving the illusion of continuous movement	a form of entertainment that enacts a story by sound and a sequence of images giving the illusion of continuous movement