requital vs score-settling

requital

noun
  • Retaliation or reprisal; vengeance. 

  • Compensation for loss or damage; amends. 

  • Repayment, reward, recompense, return in kind. 

score-settling

noun
  • Synonym of revenge 

How often have the words requital and score-settling occurred in a corpus of books? (source: Google Ngram Viewer )