disburden vs incriminate

disburden

verb
  • To free from a source of mental trouble. 

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

incriminate

verb
  • To accuse or bring criminal charges against. 

  • To indicate the guilt of. 

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