disapprobation vs exoneration

disapprobation

noun
  • An act or expression of condemnation or disapproval, especially on moral grounds. 

exoneration

noun
  • An act of disburdening, discharging, or freeing morally from a charge or imputation. 

  • The state of being disburdened or freed from a charge. 

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