decoupage vs artistic creation

decoupage and artistic creation both are nouns.

Word	Noun	Adjective	Verb	Adverb
decoupage	Yes	No	No	No
artistic creation	Yes	No	No	No

As nouns, artistic creation is a hypernym of decoupage; that is, artistic creation is a word with a broader meaning than decoupage:

decoupage: the art of decorating a surface with shapes or pictures and then coating it with varnish or lacquer
artistic creation: the creation of beautiful or significant things

Other hypernyms of decoupage include art, artistic production.

decoupage (noun)	artistic creation (noun)
the art of decorating a surface with shapes or pictures and then coating it with varnish or lacquer	the creation of beautiful or significant things
art produced by decorating a surface with cutouts and then coating it with several layers of varnish or lacquer