collectivization vs collectivisation

collectivization and collectivisation both are nouns.

Word	Noun	Adjective	Verb	Adverb
collectivization	Yes	No	No	No
collectivisation	Yes	No	No	No

As nouns, collectivization and collectivisation are synonyms defined as:

collectivization and collectivisation: the organization of a nation or economy on the basis of collectivism

collectivization (noun)	collectivisation (noun)
the organization of a nation or economy on the basis of collectivism	the organization of a nation or economy on the basis of collectivism