American spelling vs computerize

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

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

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

American spelling (verb)	computerize (verb)
	control a function, process, or creation by a computer
	store in a computer
	provide with computers