teleprinter vs y

teleprinter

noun
  • Synonym of teletype, a telegraph that automatically prints transmited messages in letters rather than Morse code or other symbols. 

y

character
  • The twenty-fifth letter of the English alphabet, called wy or wye and written in the Latin script. 

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