sully vs asperse

sully and asperse both are verbs.

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

As verbs, sully and asperse are synonyms defined as:

sully and asperse: charge falsely or with malicious intent; attack the good name and reputation of someone

Other synonyms of sully include besmirch, calumniate, defame, denigrate, slander, smear, smirch.

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