denationalization vs American spelling

denationalization and American spelling both are nouns.

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

denationalization (noun)	American spelling (noun)
changing something from state to private ownership or control	English orthography used in the United States (characterized by 'analyze', 'center', 'usable')