jawbone vs molar

jawbone

noun
  • Any of the bones in the lower or upper jaw. 

  • The bone of the lower jaw; the mandible. 

  • A shaken musical instrument (an idiophone) made from the jawbone of an animal and shaken such that the teeth vibrate in their sockets to produce sound. 

verb
  • To talk persistently in an attempt to persuade somebody to cooperate. 

molar

noun
  • A back tooth having a broad surface used for grinding one's food. 

  • A unit of concentration equal to one mole per litre. 

adj
  • Of, relating to, or being a solution containing one mole of solute per litre of solution. 

  • Of or relating to a complete body of matter as distinct from its molecular or atomic constituents. 

  • Of or relating to the molar teeth, or to grinding. 

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