hectolitre vs Australian spelling

hectolitre and Australian spelling both are nouns.

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

hectolitre (noun)	Australian spelling (noun)
a metric unit of volume or capacity equal to 100 liters	English orthography used in Australia (characterized by 'analyse', 'centre', 'usable')