north wind vs norther

north wind and norther both are nouns.

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

As nouns, north wind and norther are synonyms defined as:

Other synonyms of north wind include boreas, northerly.

north wind (noun)	norther (noun)
a wind that blows from the north	a wind that blows from the north