Australian spelling vs artefact

Australian spelling and artefact both are nouns.

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

Australian spelling (noun)	artefact (noun)
English orthography used in Australia (characterized by 'analyse', 'centre', 'usable')	a man-made object taken as a whole