grinder vs shredder

grinder

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

  • 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. 

  • One who grinds something, such as the teeth. 

  • Any tooth. 

  • A fan or performer of grindcore music. 

  • 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. 

shredder

noun
  • A machine that tears up objects into smaller pieces, especially a paper shredder, garbage shredder or gardening or farming shredder. 

  • One who shreds, or plays (especially the guitar) very fast. 

  • A program that overwrites deleted data to prevent recovery. 

  • Someone who snowboards; a snowboarder. 

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