placation vs remission

placation

noun
  • A process or act of placating; appeasement or an expression of appeasement. 

remission

noun
  • An act of remitting, returning, or sending back. 

  • A reduction or cancellation of the penalty for a criminal offence; in particular, the reduction of a prison sentence as a recognition of the prisoner's good behaviour. 

  • A pardon of a sin; (chiefly historical, also figuratively) the forgiveness of an offence, or relinquishment of a (legal) claim or a debt. 

  • An abatement or lessening of the manifestations of a disease; a period where the symptoms of a disease are absent. 

  • A lessening of amount due, as in either money or work, or intensity of a thing. 

  • A referral of a case back to another (especially a lower or inferior) court of law; a remand, a remittal. 

  • Reflection or scattering of light by a material; reemission. 

verb
  • To change the mission of; to provide with a new mission. 

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