Australian spelling vs popularise

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

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

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

Australian spelling (verb)	popularise (verb)
	make understandable to the general public
	cater to popular taste to make popular and present to the general public; bring into general or common use