American spelling vs Americanize

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

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

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

American spelling (verb)	Americanize (verb)
	become American in character
	make American in character