collectivize vs collectivise

collectivize and collectivise both are verbs.

Word	Noun	Adjective	Verb	Adverb
collectivize	No	No	Yes	No
collectivise	No	No	Yes	No

As verbs, collectivize and collectivise are synonyms defined as:

collectivize and collectivise: bring under collective control; of farms and industrial enterprises

collectivize (verb)	collectivise (verb)
bring under collective control; of farms and industrial enterprises	bring under collective control; of farms and industrial enterprises