instigator vs disparagement

instigator and disparagement both are nouns.

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

instigator (noun)	disparagement (noun)
a person who initiates a course of action	the act of speaking contemptuously of
someone who deliberately foments trouble	a communication that belittles somebody or something