heart attack vs last roundup

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. 

last roundup

noun
  • Death. 

  • A final gathering of people or items; the final event in a series of events involving a group or organization. 

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