centered vs American spelling

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

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

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

centered (adjective)	American spelling (adjective)
being or placed in the center