sully vs mar

sully is not a noun while mar is a noun.

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

As verbs, mar is a hypernym of sully; that is, mar is a word with a broader meaning than sully:

Other hypernyms of sully include deflower, impair, spoil, vitiate.

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

sully (verb)	mar (verb)
charge falsely or with malicious intent; attack the good name and reputation of someone	destroy or injure severely
make dirty or spotty, as by exposure to air; also used metaphorically	make imperfect
place under suspicion or cast doubt upon