American spelling vs urbanize

American spelling is a noun but urbanize is not a noun.

Word	Noun	Adjective	Verb	Adverb
American spelling	Yes	No	No	No
urbanize	No	No	Yes	No

American spelling (noun)	urbanize (noun)
English orthography used in the United States (characterized by 'analyze', 'center', 'usable')

American spelling (verb)	urbanize (verb)
	make more industrial or city-like
	impart urban habits, ways of life, or responsibilities upon