demurrer vs expostulation

demurrer

noun
  • 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. 

  • Someone who demurs. 

expostulation

noun
  • The act of reasoning earnestly in order to dissuade or remonstrate. 

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