Australian spelling vs denaturalise

Australian spelling is a noun but denaturalise is not a noun.

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

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

Australian spelling (verb)	denaturalise (verb)
	strip of the rights and duties of citizenship
	make less natural or unnatural