howler vs riot

howler and riot both are nouns.

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

As nouns, howler and riot are synonyms defined as:

Other synonyms of howler include belly laugh, scream, sidesplitter, thigh-slapper, wow.

howler (noun)	riot (noun)
a glaring blunder	a public act of violence by an unruly mob
monkey of tropical South American forests having a loud howling cry	a wild gathering involving excessive drinking and promiscuity
a joke that seems extremely funny	a joke that seems extremely funny
	a state of disorder involving group violence

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