British spelling vs chain armour

British spelling and chain armour both are nouns.

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

British spelling (noun)	chain 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