marginalisation vs marginalization

marginalisation and marginalization both are nouns.

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

As nouns, marginalisation and marginalization are synonyms defined as:

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

marginalisation (noun)	marginalization (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)