montage vs collage

montage and collage both are nouns.

Word	Noun	Adjective	Verb	Adverb
montage	Yes	No	No	No
collage	Yes	No	No	No

As nouns, montage and collage are synonyms defined as:

montage and collage: a paste-up made by sticking together pieces of paper or photographs to form an artistic image

montage (noun)	collage (noun)
a paste-up made by sticking together pieces of paper or photographs to form an artistic image	a paste-up made by sticking together pieces of paper or photographs to form an artistic image
	any collection of diverse things