American English vs northward

American English and northward both are nouns.

Word	Noun	Adjective	Verb	Adverb
American English	Yes	No	No	No
northward	Yes	Yes	No	Yes

American English (noun)	northward (noun)
the English language as used in the United States	the cardinal compass point that is at 0 or 360 degrees

American English (adjective)	northward (adjective)
	moving toward the north

American English (adverb)	northward (adverb)
	in a northern direction