Australian spelling vs tonne-kilometre

Australian spelling and tonne-kilometre both are nouns.

Word	Noun	Adjective	Verb	Adverb
Australian spelling	Yes	No	No	No
tonne-kilometre	Yes	No	No	No

Australian spelling (noun)	tonne-kilometre (noun)
English orthography used in Australia (characterized by 'analyse', 'centre', 'usable')	a unit of measure used in freight transport which determines the transport of one tonne of goods by a transport mode over one kilometer.