i vs teletype

i

noun
  • The name of the Latin-script letter I/i. 

character
  • The ninth letter of the English alphabet, called i and written in the Latin script. 

teletype

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

  • An early input/output device for mainframe computers. 

  • The telegrams produced by this device. 

verb
  • To use a teletype. 

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