telegram vs teletype

telegram

noun
  • A message transmitted by telegraph. 

verb
  • To send a telegram to (a person). 

  • To send (a message) in a telegram. 

  • To send a telegram. 

teletype

noun
  • The telegrams produced by this device. 

  • An early input/output device for mainframe computers. 

  • A telegraph that automatically prints transmited messages in letters rather than Morse code or other symbols, typically resembling a typewriter in appearance. 

verb
  • To use a teletype. 

How often have the words telegram and teletype occurred in a corpus of books? (source: Google Ngram Viewer )