assist vs prey

assist

noun
  • A helpful action or an act of giving. 

  • A decisive pass made to the goal scorer 

  • A defensive play, allowing a teammate to record a putout. 

verb
  • To help. 

  • To make a pass that leads directly towards scoring. 

  • To help compensate for what is missing with the help of a medical technique or therapy. 

prey

noun
  • A person or thing given up as a victim. 

  • That which is or may be seized by animals or birds to be devoured 

  • A living thing that is eaten by another living thing. 

  • The victim of a disease. 

verb
  • To act as a predator. 

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