American spelling vs cauterization

American spelling and cauterization both are nouns.

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

American spelling (noun)	cauterization (noun)
English orthography used in the United States (characterized by 'analyze', 'center', 'usable')	the act of coagulating blood and destroying tissue with a hot iron or caustic agent or by freezing