decedent vs exanimate

decedent

adj

  • Removing; departing; deceased. 

noun

  • A dead person. 

exanimate

adj

  • Lifeless, not or no longer living, dead. 

  • Spiritless, dispirited, disheartened, not lively. 

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