hierarchization vs hierarchisation

hierarchization and hierarchisation both are nouns.

Word	Noun	Adjective	Verb	Adverb
hierarchization	Yes	No	No	No
hierarchisation	Yes	No	No	No

As nouns, hierarchization and hierarchisation are synonyms defined as:

hierarchization and hierarchisation: The act or result of hierarchizing; the establishment of a hierarchy.

hierarchization (noun)	hierarchisation (noun)
The act or result of hierarchizing; the establishment of a hierarchy.	The act or result of hierarchizing; the establishment of a hierarchy.