norther vs tramontane

norther and tramontane both are nouns.

Word	Noun	Adjective	Verb	Adverb
norther	Yes	No	No	No
tramontane	Yes	Yes	No	No

As nouns, tramontane is a hyponym of norther; that is, tramontane is a word with a more specific, narrower meaning than norther:

norther: a wind that blows from the north
tramontane: a cold dry wind that blows south out of the mountains into Italy and the western Mediterranean

Other hyponyms of norther include bise, bize, mistral, tramontana.

norther (noun)	tramontane (noun)
a wind that blows from the north	a cold dry wind that blows south out of the mountains into Italy and the western Mediterranean

norther (adjective)	tramontane (adjective)
	on or coming from the other side of the mountains (from the speaker)
	being or coming from another country