capitalise vs Australian spelling

capitalise is not a noun while Australian spelling is a noun.

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

capitalise (noun)	Australian spelling (noun)
	English orthography used in Australia (characterized by 'analyse', 'centre', 'usable')

capitalise (verb)	Australian spelling (verb)
convert (a company's reserve funds) into capital
consider expenditures as capital assets rather than expenses
compute the present value of a business or an income
write in capital letters
draw advantages from
supply with capital, as of a business by using a combination of capital used by investors and debt capital provided by lenders