initialization vs initialize

initialization is a noun but initialize is not a noun.

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

initialization (noun)	initialize (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

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