ingenuous vs artless

ingenuous and artless both are adjectives.

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

As adjectives, ingenuous and artless are synonyms defined as:

ingenuous and artless: characterized by an inability to mask your feelings; not devious

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