unstained vs unblemished

unstained and unblemished both are adjectives.

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

unstained (adjective)	unblemished (adjective)
not stained	free from physical or moral spots or stains
without soil or spot or stain
(of reputation) free from blemishes
not having a coating of stain or varnish