consent vs demur

consent

verb
  • To agree in opinion or sentiment; to be of the same mind; to accord; to concur. 

  • To express willingness, to give permission. 

  • To cause to sign a consent form. 

noun
  • Voluntary agreement or permission. 

demur

verb
  • To scruple or object; to take exception; to oppose; to balk 

  • To interpose a demurrer. 

  • To delay; to pause; to suspend proceedings or judgment in view of a doubt or difficulty; to hesitate; to put off the determination or conclusion of an affair. 

noun
  • An act of hesitation as to proceeding; a scruple; also, a suspension of action or decision; a pause, a stop. 

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