corpse vs obsequy

corpse

noun
  • A dead body. 

verb
  • To cause another actor to do this. 

  • To laugh uncontrollably during a performance. 

obsequy

noun
  • The last office for the dead. 

  • A funeral rite or service. 

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