monetisation vs monetization

monetisation and monetization both are nouns.

Word	Noun	Adjective	Verb	Adverb
monetisation	Yes	No	No	No
monetization	Yes	No	No	No

As nouns, monetisation and monetization are synonyms defined as:

monetisation and monetization: establishing something (e.g. gold or silver) as the legal tender of a country

monetisation (noun)	monetization (noun)
establishing something (e.g. gold or silver) as the legal tender of a country	establishing something (e.g. gold or silver) as the legal tender of a country