electric chair vs electrocution

electric chair

noun
  • A chair-like device used for performing execution by electrocution. 

  • A transitional hold in which an attacking wrestler hoists an opponent up onto his/her shoulders so that they are both facing in the same direction. 

  • An electrically powered wheelchair. 

electrocution

noun
  • Deliberate execution by electric shock, usually involving an electric chair. 

  • A severe electric shock, whether fatal or not. 

  • The accidental death or suicide by electric shock. 

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