demur vs waver

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. 

waver

verb
  • To be indecisive between choices; to feel or show doubt or indecision; to vacillate. 

  • To sway back and forth; to totter or reel. 

  • To fluctuate or vary, as commodity prices or a poorly sustained musical pitch. 

  • To shake or tremble, as the hands or voice. 

  • To falter; become unsteady; begin to fail or give way. 

  • To flicker, glimmer, quiver, as a weak light. 

noun
  • Someone who specializes in waving (hair treatment). 

  • Someone who waves, enjoys waving, etc. 

  • An act of wavering, vacillating, etc. 

  • A tool that accomplishes hair waving. 

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