north northwest vs nor'-nor'-west

north northwest and nor'-nor'-west both are nouns.

Word	Noun	Adjective	Verb	Adverb
north northwest	Yes	No	No	No
nor'-nor'-west	Yes	No	No	Yes

As nouns, north northwest and nor'-nor'-west are synonyms defined as:

north northwest and nor'-nor'-west: the compass point that is midway between north and northwest

Other synonyms of north northwest include NNW.

north northwest (noun)	nor'-nor'-west (noun)
the compass point that is midway between north and northwest	the compass point that is midway between north and northwest

north northwest (adverb)	nor'-nor'-west (adverb)
	to, toward, or in the north-northwest