American spelling vs civilization

American spelling and civilization both are nouns.

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

American spelling (noun)	civilization (noun)
English orthography used in the United States (characterized by 'analyze', 'center', 'usable')	the quality of excellence in thought and manners and taste
	a society in an advanced state of social development (e.g., with complex legal and political and religious organizations)
	a particular society at a particular time and place
	the social process whereby societies achieve an advanced stage of development and organization