radio-gramophone vs radio-phonograph

radio-gramophone and radio-phonograph both are nouns.

Word	Noun	Adjective	Verb	Adverb
radio-gramophone	Yes	No	No	No
radio-phonograph	Yes	No	No	No

As nouns, radio-gramophone and radio-phonograph are synonyms defined as:

radio-gramophone and radio-phonograph: electronic equipment consisting of a combination of a radio receiver and a record player

radio-gramophone (noun)	radio-phonograph (noun)
electronic equipment consisting of a combination of a radio receiver and a record player	electronic equipment consisting of a combination of a radio receiver and a record player