Australian spelling vs stabilise

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

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

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

Australian spelling (verb)	stabilise (verb)
	become stable or more stable
	make stable and keep from fluctuating or put into an equilibrium
	support or hold steady and make steadfast, with or as if with a brace