heat of passion vs humiliation

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. 

humiliation

noun
  • The state of being humiliated, humbled or reduced to lowliness or submission. 

  • The act of humiliating or humbling someone; abasement of pride; mortification. 

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