card catalogue vs Canadian spelling

card catalogue and Canadian spelling both are nouns.

Word	Noun	Adjective	Verb	Adverb
card catalogue	Yes	No	No	No
Canadian spelling	Yes	No	No	No

card catalogue (noun)	Canadian spelling (noun)
an alphabetical listing of items (e.g., books in a library) with a separate card for each item	English orthography used in Canada (characterized by 'analyze', 'centre', 'useable')
a library catalog in which each publication is described on a separate file card