Australian spelling vs decimetre

Australian spelling and decimetre both are nouns.

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

Australian spelling (noun)	decimetre (noun)
English orthography used in Australia (characterized by 'analyse', 'centre', 'usable')	a metric unit of length equal to one tenth of a meter