biopsy vs post mortem

biopsy

noun
  • The removal and examination of a sample of tissue, cells, or bodily fluid from a living body for diagnostic purposes. 

verb
  • To take a sample (a biopsy) for pathological examination. 

post mortem

noun
  • An investigation of a corpse to determine the cause of death. 

  • Any investigation after the conclusion of an activity, particularly when said activity produces an unwanted outcome. 

adv
  • Occurring after death. 

adj
  • Having been inflicted or having occurred after death. 

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