American spelling vs suburbanize

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

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

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

American spelling (verb)	suburbanize (verb)
	make suburban in character
	take on suburban character