miniaturization vs American spelling

miniaturization and American spelling both are nouns.

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

miniaturization (noun)	American spelling (noun)
act of making on a greatly reduced scale	English orthography used in the United States (characterized by 'analyze', 'center', 'usable')