initialise vs Australian spelling

initialise is not a noun while Australian spelling is a noun.

Word	Noun	Adjective	Verb	Adverb
initialise	No	No	Yes	No
Australian spelling	Yes	No	No	No

initialise (noun)	Australian spelling (noun)
	English orthography used in Australia (characterized by 'analyse', 'centre', 'usable')

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