BOB vs vibe

BOB

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

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. 

vibe

noun
  • A vibrator (sex toy). 

  • An atmosphere or aura felt to belong to a person, place or thing. 

  • Vibration. 

  • A vibraphone. 

verb
  • To agree. 

  • To get along; to hit it off. 

  • To relax and enjoy oneself. 

  • To feel in agreement with; to appreciate. 

  • To stimulate with a vibrator. 

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