easterly vs current of air

easterly and current of air both are nouns.

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

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

easterly: a wind from the east
current of air: air moving (sometimes with considerable force) from an area of high pressure to an area of low pressure

Other hypernyms of easterly include air current, wind.

easterly (noun)	current of air (noun)
a wind from the east	air moving (sometimes with considerable force) from an area of high pressure to an area of low pressure

easterly (adjective)	current of air (adjective)
from the east; used especially of winds
lying in or toward the east

easterly (adverb)	current of air (adverb)
from the east