initialisation vs initialise

initialisation is a noun but initialise is not a noun.

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

initialisation (noun)	initialise (noun)
(computer science) the format of sectors on the surface of a hard disk drive so that the operating system can access them and setting a starting position

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