bicuspid vs molar

bicuspid

noun
  • A tooth with two cusps; a premolar tooth. 

adj
  • Having two points or prominences; ending in two points; said of teeth, leaves, fruit, etc. 

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