deathful vs homicidal

deathful

adj
  • Resembling or pertaining to death; deathly. 

  • Involving the danger of death; fatal, deadly. 

  • Subject to death; mortal. 

homicidal

adj
  • Of or pertaining to homicide. 

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