initialize vs initialise

initialize and initialise both are verbs.

Word	Noun	Adjective	Verb	Adverb
initialize	No	No	Yes	No
initialise	No	No	Yes	No

As verbs, initialize and initialise are synonyms defined as:

initialize and initialise: divide (a disk) into marked sectors so that it may store data

Other synonyms of initialize include format.

As verbs, initialize and initialise are synonyms defined as:

initialize and initialise: assign an initial value to a computer program

initialize (verb)	initialise (verb)
divide (a disk) into marked sectors so that it may store data	divide (a disk) into marked sectors so that it may store data
assign an initial value to a computer program	assign an initial value to a computer program