wireless telegraphy vs radiotelegraphy

wireless telegraphy and radiotelegraphy both are nouns.

Word	Noun	Adjective	Verb	Adverb
wireless telegraphy	Yes	No	No	No
radiotelegraphy	Yes	No	No	No

As nouns, wireless telegraphy and radiotelegraphy are synonyms defined as:

wireless telegraphy and radiotelegraphy: the use of radio to send telegraphic messages (usually by Morse code)

Other synonyms of wireless telegraphy include radiotelegraph, wireless telegraph.

As nouns, wireless telegraphy and radiotelegraphy are synonyms defined as:

wireless telegraphy and radiotelegraphy: telegraphy that uses transmission by radio rather than by wire

Other synonyms of wireless telegraphy include radiotelegraph.

wireless telegraphy (noun)	radiotelegraphy (noun)
the use of radio to send telegraphic messages (usually by Morse code)	the use of radio to send telegraphic messages (usually by Morse code)
telegraphy that uses transmission by radio rather than by wire	telegraphy that uses transmission by radio rather than by wire