American spelling vs internationalize

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

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

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

American spelling (verb)	internationalize (verb)
	make international in character
	put under international control