vitiate vs mar

vitiate is not a noun while mar is a noun.

Word	Noun	Adjective	Verb	Adverb
vitiate	No	No	Yes	No
mar	Yes	No	Yes	No

As verbs, vitiate and mar are synonyms defined as:

Other synonyms of vitiate include deflower, impair, spoil.

vitiate (noun)	mar (noun)
	a mark or flaw that spoils the appearance of something (especially on a person's body)

vitiate (verb)	mar (verb)
take away the legal force of or render ineffective	destroy or injure severely
make imperfect	make imperfect
corrupt morally or by intemperance or sensuality