courser vs jock

courser

noun
  • A person who practises coursing. 

  • Any of several species of bird in the genera Cursorius or Rhinoptilus of the family Glareolidae. 

  • A dog used for coursing. 

  • A stone used in building a course. 

  • A racehorse or a charger. 

  • A hunter. 

jock

noun
  • A jockey. 

  • An enthusiastic athlete or sports fan, especially one with few other interests, often stereotyped as slow-witted person of large size and great physical strength. 

  • A Scotsman. 

  • Food; meals. 

  • A disc jockey. 

  • A young male athlete (through college age). 

  • An athletic supporter worn by men to support the genitals especially during sports. 

verb
  • To humiliate. 

  • To steal. 

  • To masturbate. 

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