accuse vs palliate

accuse

verb
  • to make an accusation against someone 

  • to find fault with, blame, censure 

  • to charge with having committed a crime or offence 

palliate

verb
  • To cover or disguise the seriousness of (a mistake, offence etc.) by excuses and apologies. 

  • To relieve the symptoms of; to ameliorate. 

  • To placate or mollify. 

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