stepper vs terpsichorean

stepper

noun
  • A dancer. 

  • 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 type of exercise machine. 

  • 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. 

terpsichorean

noun
  • A person who dances, especially professionally. 

adj
  • Of or relating to dancing. 

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