American spelling vs iodize

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

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

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

American spelling (verb)	iodize (verb)
	treat with iodine so as to prevent infection
	treat with iodine