northern vs southern

northern and southern both are adjectives.

Word	Noun	Adjective	Verb	Adverb
northern	No	Yes	No	No
southern	No	Yes	No	No

northern (adjective)	southern (adjective)
situated in regions of the north	situated in or coming from regions of the south
in or characteristic of a region of the United States north of (approximately) the Mason-Dixon line	in or characteristic of a region of the United States south of (approximately) the Mason-Dixon line
coming from the north; used especially of wind	from the south; used especially of wind
oriented toward the north	situated in or oriented toward the south