Australian spelling vs publicise

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

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

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

Australian spelling (verb)	publicise (verb)
	make public
	call attention to