simoom vs current of air

simoom and current of air both are nouns.

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

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

simoom: a violent hot sand-laden wind on the deserts of Arabia and North Africa
current of air: air moving (sometimes with considerable force) from an area of high pressure to an area of low pressure

Other hypernyms of simoom include air current, wind.

simoom (noun)	current of air (noun)
a violent hot sand-laden wind on the deserts of Arabia and North Africa	air moving (sometimes with considerable force) from an area of high pressure to an area of low pressure