bowdlerization vs bowdlerisation

bowdlerization and bowdlerisation both are nouns.

Word	Noun	Adjective	Verb	Adverb
bowdlerization	Yes	No	No	No
bowdlerisation	Yes	No	No	No

As nouns, bowdlerization and bowdlerisation are synonyms defined as:

bowdlerization and bowdlerisation: the act of deleting or modifying all passages considered to be indecent

As nouns, bowdlerization and bowdlerisation are synonyms defined as:

bowdlerization and bowdlerisation: written material that has been bowdlerized

bowdlerization (noun)	bowdlerisation (noun)
the act of deleting or modifying all passages considered to be indecent	the act of deleting or modifying all passages considered to be indecent
written material that has been bowdlerized	written material that has been bowdlerized