Australian spelling vs depolarisation

Australian spelling and depolarisation both are nouns.

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

Australian spelling (noun)	depolarisation (noun)
English orthography used in Australia (characterized by 'analyse', 'centre', 'usable')	a loss of polarity or polarization