American spelling vs verbalize

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

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

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

American spelling (verb)	verbalize (verb)
	convert into a verb
	express in speech
	be verbose
	articulate; either verbally or with a cry, shout, or noise