American spelling vs business organization

American spelling and business organization both are nouns.

Word	Noun	Adjective	Verb	Adverb
American spelling	Yes	No	No	No
business organization	Yes	No	No	No

American spelling (noun)	business organization (noun)
English orthography used in the United States (characterized by 'analyze', 'center', 'usable')	a commercial or industrial enterprise and the people who constitute it