unstained vs unsullied

unstained and unsullied both are adjectives.

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

As adjectives, unstained and unsullied are synonyms defined as:

Other synonyms of unstained include stainless, untainted, untarnished.

unstained (adjective)	unsullied (adjective)
not stained	spotlessly clean and fresh
without soil or spot or stain	(of reputation) free from blemishes
(of reputation) free from blemishes
not having a coating of stain or varnish