individualization vs American spelling

individualization and American spelling both are nouns.

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

individualization (noun)	American spelling (noun)
discriminating the individual from the generic group or species	English orthography used in the United States (characterized by 'analyze', 'center', 'usable')