colonise vs Australian spelling

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

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

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

colonise (verb)	Australian spelling (verb)
settle as colonists or establish a colony (in)
settle as a colony; of countries in the developing world