hone vs molar

hone

noun
  • A sharpening stone composed of extra-fine grit used for removing the burr or curl from the blade of a razor or some other edge tool. 

  • A machine tool used in the manufacture of precision bores. 

  • A kind of swelling in the cheek. 

intj
  • Synonym of alas Used to express sorrow, or grief 

verb
  • To pine, lament, or long. 

  • To sharpen with a hone; to whet. 

  • To refine or master (a skill). 

  • To grumble. 

  • To make more acute, intense, or effective. 

  • To use a hone to produce a precision bore. 

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