splendour vs Australian spelling

splendour and Australian spelling both are nouns.

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

splendour (noun)	Australian spelling (noun)
a quality that outshines the usual	English orthography used in Australia (characterized by 'analyse', 'centre', 'usable')
the quality of being magnificent or splendid or grand