demonetise vs Australian spelling

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

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

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

demonetise (verb)	Australian spelling (verb)
deprive of value for payment