howler vs howl

howler and howl both are nouns.

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

howler (noun)	howl (noun)
a glaring blunder	a long loud emotional utterance
monkey of tropical South American forests having a loud howling cry	a loud sustained noise resembling the cry of a hound
a joke that seems extremely funny	the long plaintive cry of a hound or a wolf

howler (verb)	howl (verb)
	laugh unrestrainedly and heartily
	make a loud noise, as of wind, water, or vehicles
	emit long loud cries
	cry loudly, as of animals