inciter vs instigant

inciter and instigant both are nouns.

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

As nouns, inciter and instigant are synonyms defined as:

Other synonyms of inciter include firebrand, instigator, provoker.

inciter (noun)	instigant (noun)
someone who deliberately foments trouble	someone who deliberately foments trouble