American spelling vs concertize

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

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

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

American spelling (verb)	concertize (verb)
	give concerts; perform in concerts