deathful vs killing

deathful

adj
  • Involving the danger of death; fatal, deadly. 

  • Subject to death; mortal. 

  • Resembling or pertaining to death; deathly. 

killing

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

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

noun
  • A large amount of money. 

  • An instance of someone being killed. 

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