Australian spelling vs nationalise

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

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

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

Australian spelling (verb)	nationalise (verb)
	put under state control or ownership
	make national in character or scope