grinder vs stepper

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. 

stepper

noun
  • A type of exercise machine. 

  • A device used in the manufacture of microcircuits to apply a photolithographic image repeatedly, at regular intervals (by imaging, moving a step and repeating). 

  • A person or animal that steps, especially energetically or high. 

  • A dancer. 

  • Anything that moves or advances in steps. 

  • A kind of electric motor (a stepper motor) that advances in steps rather than smoothly. 

  • A shoe, especially a fashionable or attractive shoe, or one used for step-dancing. 

  • A dancer in a step show. 

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