overextend vs worry

overextend

verb
  • To push a pawn too far, so that it becomes vulnerable to the opponent's attacks. 

  • To expand or extend to an excessive degree, especially to do so beyond a safe limit. 

  • To apply (a term) to too many referents, by overextension. 

worry

verb
  • To harass; to irritate or distress. 

  • To touch repeatedly, to fiddle with. 

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

  • 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 overextend and worry occurred in a corpus of books? (source: Google Ngram Viewer )