riot vs howler

riot and howler both are nouns.

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

As nouns, riot and howler are synonyms defined as:

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

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

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