BOB vs discount

BOB

adj
  • Back-of-the-book; denoting those stamps in a catalogue that are not used for the payment of regular postage fees, and are displayed separately in the catalogue after that listing; the division between these two groups varies with the publisher. 

noun
  • Vibrator (device designed to stimulate a woman's genitals). 

discount

adj
  • Specializing in selling goods at reduced prices. 

noun
  • The act of one who believes, or act as though they believe, that their own feelings are more important than the reality of a situation. 

  • The rate of interest charged in discounting. 

  • A deduction made for interest, in advancing money upon, or purchasing, a bill or note not due; payment in advance of interest upon money. 

  • A lack or shortcoming. 

  • A reduction in price. 

verb
  • To deduct from an account, debt, charge, and the like. 

  • To lend money upon, deducting the discount or allowance for interest 

  • To take into consideration beforehand; to anticipate and form conclusions concerning (an event). 

  • To believe, or act as though one believes, that one's own feelings are more important than the reality of a situation. 

  • To leave out of account or regard as unimportant. 

  • To lend, or make a practice of lending, money, abating the discount 

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