squall vs current of air

squall and current of air both are nouns.

Word	Noun	Adjective	Verb	Adverb
squall	Yes	No	Yes	No
current of air	Yes	No	No	No

As nouns, current of air is a hypernym of squall; that is, current of air is a word with a broader meaning than squall:

squall: sudden violent winds; often accompanied by precipitation
current of air: air moving (sometimes with considerable force) from an area of high pressure to an area of low pressure

Other hypernyms of squall include air current, wind.

squall (noun)	current of air (noun)
sudden violent winds; often accompanied by precipitation	air moving (sometimes with considerable force) from an area of high pressure to an area of low pressure

squall (verb)	current of air (verb)
utter a sudden loud cry
make high-pitched, whiney noises
blow in a squall