grinder vs molar

grinder

noun
  • One who grinds something, such as the teeth. 

  • A biohacker who uses cybernetic implants or biochemicals to enhance or change their own body. 

  • A hard-working, physical player with limited offensive ability. 

  • A kitchen gadget for processing coffee, herbs etc. into small or powdered pieces. 

  • A low-ranking attorney with no clients who works very hard. 

  • Any tooth. 

  • A fan or performer of grindcore music. 

  • A power tool with a spinning abrasive disc, used for grinding, smoothing, and shaping materials, usually metal. 

  • A sandwich made on a long, cylindrical roll. 

  • A molar. 

  • Atmospheric interference producing a roaring background noise. 

  • An outdoor space for drills and parades. 

  • The restless flycatcher (Myiagra inquieta) of Australia, which makes a noise like a scissors grinder. 

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