riot vs rioter

riot and rioter both are nouns.

Word	Noun	Adjective	Verb	Adverb
riot	Yes	No	Yes	No
rioter	Yes	No	No	No

riot (noun)	rioter (noun)
a public act of violence by an unruly mob	troublemaker who participates in a violent disturbance of the peace; someone who rises up against the constituted authority
a wild gathering involving excessive drinking and promiscuity
a joke that seems extremely funny
a state of disorder involving group violence

riot (verb)	rioter (verb)
take part in a riot; disturb the public peace by engaging in a riot
engage in boisterous, drunken merrymaking