American spelling vs modernization

American spelling and modernization both are nouns.

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

American spelling (noun)	modernization (noun)
English orthography used in the United States (characterized by 'analyze', 'center', 'usable')	making modern in appearance or behavior
	a modernized version (as of a play)