revitalization vs American spelling

revitalization and American spelling both are nouns.

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

revitalization (noun)	American spelling (noun)
bringing again into activity and prominence	English orthography used in the United States (characterized by 'analyze', 'center', 'usable')