marginalization vs marginalisation

marginalization and marginalisation both are nouns.

Word	Noun	Adjective	Verb	Adverb
marginalization	Yes	No	No	No
marginalisation	Yes	No	No	No

As nouns, marginalization and marginalisation are synonyms defined as:

marginalization and marginalisation: the social process of becoming or being made marginal (especially as a group within the larger society)

marginalization (noun)	marginalisation (noun)
the social process of becoming or being made marginal (especially as a group within the larger society)	the social process of becoming or being made marginal (especially as a group within the larger society)