Canadian spelling vs radio theatre

Canadian spelling and radio theatre both are nouns.

Word	Noun	Adjective	Verb	Adverb
Canadian spelling	Yes	No	No	No
radio theatre	Yes	No	No	No

Canadian spelling (noun)	radio theatre (noun)
English orthography used in Canada (characterized by 'analyze', 'centre', 'useable')	a dramatized, purely acoustic performance, broadcast on radio or published on audio media, such as tape or CD.