aspersion vs denigration

aspersion and denigration both are nouns.

Word	Noun	Adjective	Verb	Adverb
aspersion	Yes	No	No	No
denigration	Yes	No	No	No

As nouns, aspersion and denigration are synonyms defined as:

aspersion and denigration: an abusive attack on a person's character or good name

Other synonyms of aspersion include calumny, defamation, slander.

aspersion (noun)	denigration (noun)
an abusive attack on a person's character or good name	the act of expressing disapproval (especially of yourself)
the act of sprinkling water in baptism (rare)	an abusive attack on a person's character or good name
a disparaging remark	a belittling comment