jousting armour vs Canadian spelling

jousting armour and Canadian spelling both are nouns.

Word	Noun	Adjective	Verb	Adverb
jousting armour	Yes	No	No	No
Canadian spelling	Yes	No	No	No

jousting armour (noun)	Canadian spelling (noun)
a heavy plate armor not intended for free combat, produced in the late 15th to 16th century.	English orthography used in Canada (characterized by 'analyze', 'centre', 'useable')