grape arbour vs British spelling

grape arbour and British spelling both are nouns.

Word	Noun	Adjective	Verb	Adverb
grape arbour	Yes	No	No	No
British spelling	Yes	No	No	No

grape arbour (noun)	British spelling (noun)
an arbor where grapes are grown	English orthography used in the UK, Ireland and most of the Commonwealth (characterized by 'analyse', 'centre' and 'useable')