Australian spelling vs stigmatise

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

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

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

Australian spelling (verb)	stigmatise (verb)
	mark with a stigma or stigmata
	to accuse or condemn or openly or formally or brand as disgraceful