i vs telex

i

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

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

telex

verb
  • To send a message over a telex network. 

noun
  • A teletype message sent through such a network. 

  • A teletype device connected to such a network. 

  • A network of teletypes. 

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