quantization vs American spelling

quantization and American spelling both are nouns.

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

quantization (noun)	American spelling (noun)
the act of dividing into quanta or expressing in terms of quantum theory	English orthography used in the United States (characterized by 'analyze', 'center', 'usable')