secularise vs secularize

secularise and secularize both are verbs.

Word	Noun	Adjective	Verb	Adverb
secularise	No	No	Yes	No
secularize	No	No	Yes	No

As verbs, secularise and secularize are synonyms defined as:

secularise and secularize: make secular and draw away from a religious orientation

secularise (verb)	secularize (verb)
make secular and draw away from a religious orientation	make secular and draw away from a religious orientation
	transfer from ecclesiastical to civil possession, use, or control