assist vs worry

assist

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

  • To help. 

  • To make a pass that leads directly towards scoring. 

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. 

worry

verb
  • To be troubled; to give way to mental anxiety or doubt. 

  • To harass; to irritate or distress. 

  • To touch repeatedly, to fiddle with. 

  • To seize or shake by the throat, especially of a dog or wolf. 

  • Disturb the peace of mind of; afflict with mental agitation or distress. 

noun
  • A strong feeling of anxiety. 

  • An instance or cause of such a feeling. 

  • A person who causes worry. 

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