gale vs current of air

gale and current of air both are nouns.

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

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

gale: a strong wind moving 45-90 knots; force 7 to 10 on Beaufort scale
current of air: air moving (sometimes with considerable force) from an area of high pressure to an area of low pressure

Other hypernyms of gale include air current, wind.

gale (noun)	current of air (noun)
a strong wind moving 45-90 knots; force 7 to 10 on Beaufort scale	air moving (sometimes with considerable force) from an area of high pressure to an area of low pressure