AAR vs autopsy

AAR

noun
  • after-action report; after-action review. 

  • Aircraft accident report. 

prep
  • At any rate. 

  • against all risks. 

name
  • Association of American Railroads 

  • Axis2 ARchive file (extension .aar) 

  • All-American Rejects 

  • Air America Radio 

  • American Academy of Religion 

autopsy

noun
  • An after-the-fact examination, especially of the causes of a failure. 

  • An eyewitness observation, the presentation of an event as witnessed. 

  • A dissection performed on a cadaver to find possible cause(s) of death. 

verb
  • To perform an autopsy on. 

  • To perform an after-the-fact analysis of, especially of a failure. 

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