Australian spelling vs harmonisation

Australian spelling and harmonisation both are nouns.

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

Australian spelling (noun)	harmonisation (noun)
English orthography used in Australia (characterized by 'analyse', 'centre', 'usable')	singing in harmony
	a piece of harmonized music