call centre vs Canadian spelling

call centre and Canadian spelling both are nouns.

Word	Noun	Adjective	Verb	Adverb
call centre	Yes	No	No	No
Canadian spelling	Yes	No	No	No

call centre (noun)	Canadian spelling (noun)
a center equipped to handle a large volume of telephone calls (especially for taking orders or serving customers)	English orthography used in Canada (characterized by 'analyze', 'centre', 'useable')