snow eater vs air current

snow eater and air current both are nouns.

Word	Noun	Adjective	Verb	Adverb
snow eater	Yes	No	No	No
air current	Yes	No	No	No

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

snow eater: a warm dry wind blowing down the eastern slopes of the Rockies
air current: air moving (sometimes with considerable force) from an area of high pressure to an area of low pressure

Other hypernyms of snow eater include current of air, wind.

snow eater (noun)	air current (noun)
a warm dry wind blowing down the eastern slopes of the Rockies	air moving (sometimes with considerable force) from an area of high pressure to an area of low pressure