heat of passion vs mischief

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. 

mischief

noun
  • Conduct that playfully causes petty annoyance. 

  • Casual and/or flirtatious sexual acts. 

  • A playfully annoying action. 

  • A group or a pack of rats. 

  • A criminal offence defined in various ways in various jurisdictions, sometimes including causing damage to another's property. 

  • The Devil; used as an expletive. 

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