American spelling vs authorization

American spelling and authorization both are nouns.

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

American spelling (noun)	authorization (noun)
English orthography used in the United States (characterized by 'analyze', 'center', 'usable')	the act of conferring legality or sanction or formal warrant
	the power or right to give orders or make decisions
	official permission or approval
	a document giving an official instruction or command