artefact vs Australian spelling

artefact and Australian spelling both are nouns.

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

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