mistral vs north wind

mistral and north wind both are nouns.

Word	Noun	Adjective	Verb	Adverb
mistral	Yes	No	No	No
north wind	Yes	No	No	No

As nouns, north wind is a hypernym of mistral; that is, north wind is a word with a broader meaning than mistral:

Other hypernyms of mistral include boreas, norther, northerly.

mistral (noun)	north wind (noun)
a strong north wind that blows in France during the winter	a wind that blows from the north