telegram vs teletypewriter

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. 

teletypewriter

noun
  • Synonym of teletype (“telegraph that automatically prints transmited messages in letters rather than Morse code or other symbols”). 

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