cattle prod vs motive

cattle prod

verb
  • To goad or push someone to act. 

noun
  • Something used to goad or push someone to act. 

  • A stick designed to goad cows, steers, and similar animals in order to prompt them to move in a desired direction, now usually electrified to administer a stimulating shock to the animal. 

motive

verb
  • To prompt or incite by a motive or motives; to move. 

adj
  • Relating to motion and/or to its cause 

  • Causing motion; having power to move, or tending to move 

noun
  • A motif; a theme or subject, especially one that is central to the work or often repeated. 

  • A motif. 

  • An incentive to act in a particular way; a reason or emotion that makes one want to do something; anything that prompts a choice of action. 

  • Something which causes someone to want to commit a crime; a reason for criminal behaviour. 

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