decedent vs fallen

decedent

noun
  • A dead person. 

adj
  • Removing; departing; deceased. 

fallen

noun
  • The dead. 

  • Casualties of battle or war. 

  • One who has fallen, as from grace. 

adj
  • Killed in battle. 

  • Having lost prestige, (Christian) grace, etc. 

  • Having dropped by the force of gravity. 

  • Having lost one's chastity. 

  • Having collapsed. 

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