normalization vs American spelling

normalization and American spelling both are nouns.

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

normalization (noun)	American spelling (noun)
the imposition of standards or regulations	English orthography used in the United States (characterized by 'analyze', 'center', 'usable')