Australian spelling vs regularise

Australian spelling is a noun but regularise is not a noun.

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

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

Australian spelling (verb)	regularise (verb)
	make regular or more regular
	bring into conformity with rules or principles or usage; impose regulations