demurrer vs disapproval

demurrer

noun
  • Someone who demurs. 

  • A motion by a party to an action, for the immediate or summary judgment of the court on the question, whether, assuming the truth of the matter alleged by the opposite party, it is sufficient in law to sustain the action or defense, and hence whether the party resting is bound to answer or proceed further. 

disapproval

noun
  • The act of disapproving; condemnation. 

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