capitalisation vs Australian spelling

capitalisation and Australian spelling both are nouns.

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

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