factorise vs Australian spelling

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

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

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

factorise (verb)	Australian spelling (verb)
resolve (a polynomial) into factors