necklace vs rivière

necklace

noun
  • An article of jewelry that is worn around the neck, most often made of a string of precious metal, pearls, gems, beads or shells, and sometimes having a pendant attached. 

  • Anything resembling a necklace in shape. 

  • A device used in necklacing (an informal execution); a rubber tyre that is filled with petrol. It is placed around the victim's chest and arms, and set on fire. 

verb
  • To informally execute by necklacing; by setting on fire a petrol-filled rubber tyre which has been put around the bound victim's neck. 

rivière

noun
  • A necklace of diamonds or other precious stones, especially one of several strings. 

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