dub vs motion picture

dub and motion picture both are nouns.

Word	Noun	Adjective	Verb	Adverb
dub	Yes	No	Yes	No
motion picture	Yes	No	No	No

dub (noun)	motion picture (noun)
the new sounds added by dubbing	a form of entertainment that enacts a story by sound and a sequence of images giving the illusion of continuous movement

dub (verb)	motion picture (verb)
give a nickname to
provide (movies) with a soundtrack of a foreign language
raise (someone) to knighthood