maximization vs American spelling

maximization and American spelling both are nouns.

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

maximization (noun)	American spelling (noun)
the act of raising to the highest possible point or condition or position	English orthography used in the United States (characterized by 'analyze', 'center', 'usable')
the mathematical process of finding the maximum value of a function