collectivise vs collectivize

collectivise and collectivize both are verbs.

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

As verbs, collectivise and collectivize are synonyms defined as:

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

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