signalise vs Australian spelling

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

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

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

signalise (verb)	Australian spelling (verb)
make conspicuous or noteworthy
communicate silently and non-verbally by signals or signs
point out carefully and clearly
provide with traffic signals