radio theatre vs Australian spelling

radio theatre and Australian spelling both are nouns.

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

radio theatre (noun)	Australian spelling (noun)
a dramatized, purely acoustic performance, broadcast on radio or published on audio media, such as tape or CD.	English orthography used in Australia (characterized by 'analyse', 'centre', 'usable')