sun parlour vs British spelling

sun parlour and British spelling both are nouns.

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

sun parlour (noun)	British spelling (noun)
a room enclosed largely with glass and affording exposure to the sun	English orthography used in the UK, Ireland and most of the Commonwealth (characterized by 'analyse', 'centre' and 'useable')