Australian spelling vs nanometre

Australian spelling and nanometre both are nouns.

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

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