howl vs wawl

howl is a noun but wawl is not a noun.

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

As verbs, wawl is a hyponym of howl; that is, wawl is a word with a more specific, narrower meaning than howl:

Other hyponyms of howl include squall, waul.

howl (noun)	wawl (noun)
a long loud emotional utterance
a loud sustained noise resembling the cry of a hound
the long plaintive cry of a hound or a wolf

howl (verb)	wawl (verb)
laugh unrestrainedly and heartily	make high-pitched, whiney noises
make a loud noise, as of wind, water, or vehicles
emit long loud cries
cry loudly, as of animals