belittling vs denigration

belittling and denigration both are nouns.

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

As nouns, belittling and denigration are synonyms defined as:

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

belittling (adjective)	denigration (adjective)
tending to diminish or disparage