assist vs go west

assist

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. 

noun
  • A decisive pass made to the goal scorer 

  • A helpful action or an act of giving. 

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

go west

verb
  • Synonym of set: to move toward the western horizon, to go down. 

  • Used other than figuratively or idiomatically: see go, west. 

  • To move to the American West, particularly (historical) during the 19th century era. 

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