dismemberment vs necropsy

dismemberment

noun
  • The state or condition of being dismembered. 

  • Removal from membership; detachment from an organization, group, etc. 

  • The act of dismembering. 

necropsy

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

verb
  • The act of performing a necropsy. 

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