undistorted vs artless

undistorted and artless both are adjectives.

Word	Noun	Adjective	Verb	Adverb
undistorted	No	Yes	No	No
artless	No	Yes	No	No

undistorted (adjective)	artless (adjective)
without alteration or misrepresentation	simple and natural; without cunning or deceit
	characterized by an inability to mask your feelings; not devious
	(of persons) lacking art or knowledge
	showing lack of art