killing vs zapping

killing

noun
  • An instance of someone being killed. 

  • A large amount of money. 

adj
  • That makes one ‘die’ with laughter; very funny. 

  • That literally deprives of life; lethal, deadly, fatal. 

zapping

noun
  • The act or result of being zapped. 

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