easter vs air current

easter and air current both are nouns.

Word	Noun	Adjective	Verb	Adverb
easter	Yes	No	No	No
air current	Yes	No	No	No

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

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

Other hypernyms of easter include current of air, wind.

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