d vs teletype

d

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

prefix
  • the prefix dis- or des- 

symbol
  • a British penny; an old penny (the modern decimal penny being abbreviated p). 

  • Die or dice 

  • penny, a measure of the size of nails 

teletype

noun
  • An early input/output device for mainframe computers. 

  • The telegrams produced by this device. 

  • 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 d and teletype occurred in a corpus of books? (source: Google Ngram Viewer )