acquittal vs palliation

acquittal

noun
  • Avoidance of danger; deliverance. 

  • A legal decision that someone is not guilty with which they have been charged, or the formal dismissal of a charge by some other legal process. 

  • The act of releasing someone from debt or other obligation; acquittance. 

  • Payment of a debt or other obligation; reparations, amends. 

palliation

noun
  • Extenuation; mitigation. 

  • The alleviation of a disease's symptoms without a cure; temporary relief. 

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