cadaveric vs deathly

cadaveric

adj
  • Pertaining to a corpse. 

  • Caused by coming into contact with a dead body, a cadaver. 

deathly

adj
  • Appearing as though dead, or on the verge of death. 

  • Deadly, fatal, causing death. 

  • Extreme. 

adv
  • In a way that resembles death. 

  • Extremely, dreadfully. 

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