neutralise vs Australian spelling

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

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

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

neutralise (verb)	Australian spelling (verb)
make chemically neutral
make ineffective by counterbalancing the effect of
make incapable of military action
get rid of (someone who may be a threat) by killing