Australian spelling vs demineralisation

Australian spelling and demineralisation both are nouns.

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

Australian spelling (noun)	demineralisation (noun)
English orthography used in Australia (characterized by 'analyse', 'centre', 'usable')	the removal of minerals and mineral salts from a liquid (especially from water)
	abnormal loss of mineral salts (especially from bone)