Australian spelling vs rancour

Australian spelling and rancour both are nouns.

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

Australian spelling (noun)	rancour (noun)
English orthography used in Australia (characterized by 'analyse', 'centre', 'usable')	a feeling of deep and bitter anger and ill-will