maximization vs maximisation

maximization and maximisation both are nouns.

Word	Noun	Adjective	Verb	Adverb
maximization	Yes	No	No	No
maximisation	Yes	No	No	No

As nouns, maximization and maximisation are synonyms defined as:

maximization and maximisation: the act of raising to the highest possible point or condition or position

Other synonyms of maximization include maximation.

maximization (noun)	maximisation (noun)
the act of raising to the highest possible point or condition or position	the act of raising to the highest possible point or condition or position
the mathematical process of finding the maximum value of a function