killing vs suffocation

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. 

suffocation

noun
  • A particular act of death or killing by means of asphyxia. 

  • Asphyxia—a condition in which an extreme decrease in the concentration of oxygen in the body accompanied by an increase in the concentration of carbon dioxide leads to loss of consciousness or death. 

  • A child left unattended may die of suffocation. 

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