unstained vs unpainted

unstained and unpainted both are adjectives.

Word	Noun	Adjective	Verb	Adverb
unstained	No	Yes	No	No
unpainted	No	Yes	No	No

unstained (adjective)	unpainted (adjective)
not stained	not having a coat of paint or badly in need of a fresh coat
without soil or spot or stain	not having makeup on
(of reputation) free from blemishes
not having a coating of stain or varnish