BOB vs nook

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. 

nook

noun
  • The vagina-like genitalia of a troll, featured in Homestuck fanworks but not in canon. 

  • A small corner formed by two walls; an alcove. 

  • A hidden or secluded spot; a secluded retreat. 

  • A recess, cove or hollow. 

  • An English unit of land area, originally ¹⁄₄ of a yardland but later 12+¹⁄₂ or 20 acres. 

  • Coordinate term: tentabulge 

verb
  • To withdraw into a nook. 

  • To situate in a nook. 

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