disparagement vs aggressor

disparagement and aggressor both are nouns.

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

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