howl vs squall

howl and squall both are nouns.

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

As verbs, squall is a hypernym of howl; that is, squall is a word with a broader meaning than howl:

Other hypernyms of howl include call, cry, holler, hollo, scream, shout, shout out, yell.

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

Other hyponyms of howl include waul, wawl.

howl (noun)	squall (noun)
a long loud emotional utterance	sudden violent winds; often accompanied by precipitation
a loud sustained noise resembling the cry of a hound
the long plaintive cry of a hound or a wolf

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