propitiation vs solatium

propitiation

noun
  • The act of propitiating; placation, atonement, similar to expiation but with the added concept of appeasement of anger. 

  • The death of Christ as a basis for the forgiveness of sin. 

solatium

noun
  • Intangible or emotional compensation. 

  • A form of compensation for emotional rather than physical or financial harm. 

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