circularise vs circularize

circularise and circularize both are verbs.

Word	Noun	Adjective	Verb	Adverb
circularise	No	No	Yes	No
circularize	No	No	Yes	No

As verbs, circularise and circularize are synonyms defined as:

Other synonyms of circularise include broadcast, circulate, diffuse, disperse, disseminate, distribute, pass around, propagate, spread.

As verbs, circularise and circularize are synonyms defined as:

As verbs, circularise and circularize are synonyms defined as:

circularise (verb)	circularize (verb)
cause to become widely known	make circular
distribute circulars to	cause to become widely known
canvass by distributing letters	distribute circulars to
	canvass by distributing letters
	canvass by using a questionnaire