Canadian spelling vs full plate armour

Canadian spelling and full plate armour both are nouns.

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

Canadian spelling (noun)	full plate armour (noun)
English orthography used in Canada (characterized by 'analyze', 'centre', 'useable')	a historical type of personal armor made from iron or steel plates entirely encasing the wearer.