American spelling vs radio theater

American spelling and radio theater both are nouns.

Word	Noun	Adjective	Verb	Adverb
American spelling	Yes	No	No	No
radio theater	Yes	No	No	No

American spelling (noun)	radio theater (noun)
English orthography used in the United States (characterized by 'analyze', 'center', 'usable')	a dramatized, purely acoustic performance, broadcast on radio or published on audio media, such as tape or CD.