BOB vs naked

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). 

naked

adj
  • Where the writer (seller) does not own the underlying asset to cover the contract. 

  • Bare, not covered by clothing. 

  • Without any additives, or without some component that would usually be included. 

  • Unprotected, uncovered; (by extension) without a condom. 

  • Resourceless, poor, lacking means. 

  • Glib, without decoration, put bluntly. 

  • Unaided, unaccompanied. 

  • Barren, having no foliage, unvegetated. 

  • Characterized by the nakedness of the people concerned or to whom the described noun is attributed. 

  • Lacking or devoid of something. 

  • Uncomfortable or vulnerable, as if missing something important. 

  • Of a singularity, not hidden within an event horizon and thus observable from other parts of spacetime. 

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