Australian spelling vs sun parlour

Australian spelling and sun parlour both are nouns.

Word	Noun	Adjective	Verb	Adverb
Australian spelling	Yes	No	No	No
sun parlour	Yes	No	No	No

Australian spelling (noun)	sun parlour (noun)
English orthography used in Australia (characterized by 'analyse', 'centre', 'usable')	a room enclosed largely with glass and affording exposure to the sun