federalization vs American spelling

federalization and American spelling both are nouns.

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

federalization (noun)	American spelling (noun)
the act of being put under federal control	English orthography used in the United States (characterized by 'analyze', 'center', 'usable')
the state of being under federal control