American spelling vs nationalize

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

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

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

American spelling (verb)	nationalize (verb)
	put under state control or ownership
	make national in character or scope