Australian spelling vs urbanisation

Australian spelling and urbanisation both are nouns.

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

Australian spelling (noun)	urbanisation (noun)
English orthography used in Australia (characterized by 'analyse', 'centre', 'usable')	the social process whereby cities grow and societies become more urban
	the condition of being urbanized