oxidise vs Australian spelling

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

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

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

oxidise (verb)	Australian spelling (verb)
add oxygen to or combine with oxygen
enter into a combination with oxygen or become converted into an oxide