monopolization vs monopolisation

monopolization and monopolisation both are nouns.

Word	Noun	Adjective	Verb	Adverb
monopolization	Yes	No	No	No
monopolisation	Yes	No	No	No

As nouns, monopolization and monopolisation are synonyms defined as:

monopolization and monopolisation: domination (of a market or commodity) to the exclusion of others

monopolization (noun)	monopolisation (noun)
domination (of a market or commodity) to the exclusion of others	domination (of a market or commodity) to the exclusion of others