censure vs exonerate

censure

verb
  • To formally rebuke. 

  • To criticize harshly. 

noun
  • An official reprimand. 

  • Judicial or ecclesiastical sentence or reprimand; condemnatory judgment. 

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

exonerate

verb
  • To free (someone) from accusation or blame. 

  • To free (someone) from an obligation, responsibility or task. 

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