Autopsy
Part of speech: noun
Definition: A dissection performed on a cadaver to find possible cause(s) of death. An after-the-fact examination, especially of the causes of a failure.
Part of speech: verb
Definition: To perform an autopsy on. To perform an after-the-fact analysis of, especially of a failure.
Biopsy
Part of speech: noun
Definition: The removal and examination of a sample of tissue from a living body for diagnostic purposes.
Part of speech: verb
Definition: To take a sample (a biopsy) for pathological examination.