instigant vs disparagement

instigant and disparagement both are nouns.

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

instigant (noun)	disparagement (noun)
someone who deliberately foments trouble	the act of speaking contemptuously of
	a communication that belittles somebody or something