infarction vs mortality

infarction

noun
  • The process which causes an infarct. 

  • An infarct (an area of ischemic necrosis). 

mortality

noun
  • The state of being susceptible to death. 

  • The number of deaths per given unit of population over a given period of time. 

  • Death. 

  • Deaths resulting from an event (such as a war, epidemic or disaster). 

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