carbonization vs carbonisation

carbonization and carbonisation both are nouns.

Word	Noun	Adjective	Verb	Adverb
carbonization	Yes	No	No	No
carbonisation	Yes	No	No	No

As nouns, carbonization and carbonisation are synonyms defined as:

carbonization and carbonisation: the destructive distillation of coal (as in coke ovens)

carbonization (noun)	carbonisation (noun)
the destructive distillation of coal (as in coke ovens)	the destructive distillation of coal (as in coke ovens)