Australian spelling vs polarise

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

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

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

Australian spelling (verb)	polarise (verb)
	become polarized in a conflict or contrasting situation
	cause to concentrate about two conflicting or contrasting positions
	cause to vibrate in a definite pattern