sepulchre vs Australian spelling

sepulchre and Australian spelling both are nouns.

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

sepulchre (noun)	Australian spelling (noun)
a chamber that is used as a grave	English orthography used in Australia (characterized by 'analyse', 'centre', 'usable')