British spelling vs full plate armour

British spelling and full plate armour both are nouns.

Word	Noun	Adjective	Verb	Adverb
British spelling	Yes	No	No	No
full plate armour	Yes	No	No	No

British spelling (noun)	full plate armour (noun)
English orthography used in the UK, Ireland and most of the Commonwealth (characterized by 'analyse', 'centre' and 'useable')	a historical type of personal armor made from iron or steel plates entirely encasing the wearer.