BOB vs reduced

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). 

reduced

adj
  • Discounted in price. 

  • Made smaller or less; having undergone reduction. 

  • Of a sauce etc.: made more concentrated. 

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