American spelling vs verbalization

American spelling and verbalization both are nouns.

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

American spelling (noun)	verbalization (noun)
English orthography used in the United States (characterized by 'analyze', 'center', 'usable')	the activity of expressing something in words
	the words that are spoken in the activity of verbalization