denigration vs denigrate

denigration is a noun but denigrate is not a noun.

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

denigration (noun)	denigrate (noun)
the act of expressing disapproval (especially of yourself)
an abusive attack on a person's character or good name
a belittling comment

denigration (verb)	denigrate (verb)
	cause to seem less serious; play down
	charge falsely or with malicious intent; attack the good name and reputation of someone