Australian spelling vs capitalisation

Australian spelling and capitalisation both are nouns.

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

Australian spelling (noun)	capitalisation (noun)
English orthography used in Australia (characterized by 'analyse', 'centre', 'usable')	the act of capitalizing on an opportunity
	the sale of capital stock
	an estimation of the value of a business
	writing in capital letters