scenic artist vs scene painter

scenic artist and scene painter both are nouns.

Word	Noun	Adjective	Verb	Adverb
scenic artist	Yes	No	No	No
scene painter	Yes	No	No	No

As nouns, scenic artist and scene painter are synonyms defined as:

scenic artist and scene painter: an artist specializing in scenic subjects

scenic artist (noun)	scene painter (noun)
an artist specializing in scenic subjects	a painter of theatrical scenery
	an artist specializing in scenic subjects