tea parlour vs Australian spelling

tea parlour and Australian spelling both are nouns.

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

tea parlour (noun)	Australian spelling (noun)
a restaurant where tea and light meals are available	English orthography used in Australia (characterized by 'analyse', 'centre', 'usable')