aggressor vs disparagement

aggressor and disparagement both are nouns.

Word	Noun	Adjective	Verb	Adverb
aggressor	Yes	No	No	No
disparagement	Yes	No	No	No

aggressor (noun)	disparagement (noun)
someone who attacks	the act of speaking contemptuously of
a confident assertive person who acts as instigator	a communication that belittles somebody or something