moving picture vs picture show

moving picture and picture show both are nouns.

Word	Noun	Adjective	Verb	Adverb
moving picture	Yes	No	No	No
picture show	Yes	No	No	No

As nouns, moving picture and picture show are synonyms defined as:

moving picture and 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 moving picture include film, flick, motion-picture show, motion picture, movie, moving-picture show, pic, picture.

moving picture (noun)	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