arbour vs British spelling

arbour and British spelling both are nouns.

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

arbour (noun)	British spelling (noun)
a framework that supports climbing plants	English orthography used in the UK, Ireland and most of the Commonwealth (characterized by 'analyse', 'centre' and 'useable')