British spelling vs ring armour

British spelling and ring armour both are nouns.

Word	Noun	Adjective	Verb	Adverb
British spelling	Yes	No	No	No
ring armour	Yes	No	No	No

British spelling (noun)	ring armour (noun)
English orthography used in the UK, Ireland and most of the Commonwealth (characterized by 'analyse', 'centre' and 'useable')	(Middle Ages) flexible armor made of interlinked metal rings