barbarisation vs barbarization

barbarisation and barbarization both are nouns.

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

As nouns, barbarisation and barbarization are synonyms defined as:

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

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