disclose vs necropsy

disclose

verb
  • To uncover, physically expose to view. 

  • To expose to the knowledge of others; to make known, state openly, reveal. 

necropsy

verb
  • The act of performing a necropsy. 

noun
  • The pathological examination of a corpse, particularly to determine cause of death. 

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