carbonize vs American spelling

carbonize is not a noun while American spelling is a noun.

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

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

carbonize (verb)	American spelling (verb)
turn into carbon, as by burning
unite with carbon