demineralise vs Australian spelling

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

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

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

demineralise (verb)	Australian spelling (verb)
remove the minerals or salts from