marginalize vs marginalise

marginalize and marginalise both are verbs.

Word	Noun	Adjective	Verb	Adverb
marginalize	No	No	Yes	No
marginalise	No	No	Yes	No

As verbs, marginalize and marginalise are synonyms defined as:

marginalize and marginalise: relegate to a lower or outer edge, as of specific groups of people

marginalize (verb)	marginalise (verb)
relegate to a lower or outer edge, as of specific groups of people	relegate to a lower or outer edge, as of specific groups of people