characterize vs American spelling

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

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

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

characterize (verb)	American spelling (verb)
describe or portray the character or the qualities or peculiarities of
be characteristic of