calibre vs Australian spelling

calibre and Australian spelling both are nouns.

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

calibre (noun)	Australian spelling (noun)
a degree or grade of excellence or worth	English orthography used in Australia (characterized by 'analyse', 'centre', 'usable')
diameter of a tube or gun barrel