BOB vs grope

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. 

grope

noun
  • An act of groping, especially sexually. 

verb
  • To intentionally and inappropriately touch or rub against another person, in such a manner as to make the contact appear accidental, for the purpose of one's sexual gratification. 

  • To search or attempt to find something in the dark, or, as a blind person, by feeling; to move about hesitatingly, as in darkness or obscurity; to feel one's way, as with the hands, when one can not see. 

  • To touch (another person) closely and (especially) sexually. 

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