legalization vs American spelling

legalization and American spelling both are nouns.

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

legalization (noun)	American spelling (noun)
the act of making lawful	English orthography used in the United States (characterized by 'analyze', 'center', 'usable')