Australian spelling vs aqueous humour

Australian spelling and aqueous humour both are nouns.

Word	Noun	Adjective	Verb	Adverb
Australian spelling	Yes	No	No	No
aqueous humour	Yes	No	No	No

Australian spelling (noun)	aqueous humour (noun)
English orthography used in Australia (characterized by 'analyse', 'centre', 'usable')	the limpid fluid within the eyeball between the cornea and the lens