Australian spelling vs marginalise

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

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

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

Australian spelling (verb)	marginalise (verb)
	relegate to a lower or outer edge, as of specific groups of people