accuse vs disburden

accuse

verb
  • to find fault with, blame, censure 

  • to make an accusation against someone 

  • to charge with having committed a crime or offence 

disburden

verb
  • To free from a source of mental trouble. 

  • To rid of a burden; to free from a load carried; to unload. 

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