initialise vs initialisation

initialise is not a noun while initialisation is a noun.

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

initialise (noun)	initialisation (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

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