heart attack vs suicidality

heart attack

noun
  • Death or failure. 

  • An acute myocardial infarction, sometimes fatal, caused by the sudden occurrence of coronary thrombosis, which obstructs the blood supply to the heart and leads to necrosis of heart muscle tissue. 

suicidality

noun
  • A fatality that is an instance of suicide. 

  • The tendency of a person to commit suicide. 

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