stigmatisation vs Australian spelling

stigmatisation and Australian spelling both are nouns.

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

stigmatisation (noun)	Australian spelling (noun)
the act of stigmatizing	English orthography used in Australia (characterized by 'analyse', 'centre', 'usable')