jowl vs molar

jowl

noun
  • a fold of fatty flesh under the chin, around the cheeks, or lower jaw (as a dewlap, wattle, crop, or double chin). 

  • cut of fish including the head and adjacent parts 

  • the jaw, jawbone; especially one of the lateral parts of the mandible. 

  • the cheek; especially the cheek meat of a hog. 

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 jowl and molar occurred in a corpus of books? (source: Google Ngram Viewer )