censure vs exculpation

censure

verb
  • To criticize harshly. 

  • To formally rebuke. 

noun
  • An official reprimand. 

  • Judicial or ecclesiastical sentence or reprimand; condemnatory judgment. 

  • The act of blaming, criticizing, or condemning as wrong; reprehension. 

exculpation

noun
  • The act of exculpating from alleged fault or crime. 

  • That which exculpates; an excuse. 

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