Australian spelling vs radio theatre

Australian spelling and radio theatre both are nouns.

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

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