American spelling vs exteriorize

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

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

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

American spelling (verb)	exteriorize (verb)
	make external or objective, or give reality to
	bring outside the body for surgery, of organs