collage

As nouns the difference between decoupage and collage

is that decoupage is an art technique in which paper cut outs (either from magazines etc or specially made) are glued onto the surface of an object and sometimes painted or decorated while collage is a picture made by sticking other pictures onto a surface.

As verbs the difference between decoupage and collage

is that decoupage is to perform or use the art technique of decoupage while collage is to make into a collage.

Decollage is likely misspelled.

Decollage has no English definition.

As a noun collage is

a picture made by sticking other pictures onto a surface.

As a verb collage is

to make into a collage.

As nouns the difference between abstracts and collage

is that abstracts is plural of abstract while collage is a picture made by sticking other pictures onto a surface.

As verbs the difference between abstracts and collage

is that abstracts is third-person singular of abstract while collage is to make into a collage.

As a noun collage

is .

As an adjective collagelike is

(arts) resembling a collage; presenting a jumble of different types of content.