actualization vs American spelling

actualization and American spelling both are nouns.

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

actualization (noun)	American spelling (noun)
making real or giving the appearance of reality	English orthography used in the United States (characterized by 'analyze', 'center', 'usable')