barbarization vs barbarisation

barbarization and barbarisation both are nouns.

Word	Noun	Adjective	Verb	Adverb
barbarization	Yes	No	No	No
barbarisation	Yes	No	No	No

As nouns, barbarization and barbarisation are synonyms defined as:

barbarization and barbarisation: an act that makes people primitive and uncivilized

barbarization (noun)	barbarisation (noun)
an act that makes people primitive and uncivilized	an act that makes people primitive and uncivilized