chinook vs current of air

chinook and current of air both are nouns.

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

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

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

Other hypernyms of chinook include air current, wind.

chinook (noun)	current of air (noun)
large Pacific salmon valued as food; adults die after spawning	air moving (sometimes with considerable force) from an area of high pressure to an area of low pressure
pink or white flesh of large Pacific salmon
a warm dry wind blowing down the eastern slopes of the Rockies