electrocution vs shock absorber

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. 

shock absorber

noun
  • A mechanical device designed to smooth out or damp any sudden shock impulse and dissipate kinetic energy; usually consists of a combination of a spring and a dashpot. 

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