frustration vs heat of passion

frustration

noun
  • The act of frustrating, or the state, or an instance of being frustrated. 

  • A thing that frustrates. 

  • The feeling of annoyance at impassibility from resistance. 

  • The state of contract that allows a party to back away from its contractual obligations due to (unforeseen) radical changes to the nature of the thing a party has been obligated to. 

  • Anger not directed at anything or anyone in particular. 

heat of passion

noun
  • An outburst of anger that leads one to commit a criminal act, and is itself influenced by preceding events that might cause a reasonable person to lose self control. 

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