acquiesce vs dissent

acquiesce

verb
  • To concur upon conviction; to assent to; usually, to concur, not heartily but so far as to forbear opposition. 

  • To rest satisfied, or apparently satisfied, or to rest without opposition and discontent (usually implying previous opposition or discontent); to accept or consent by silence or by omitting to object. 

dissent

verb
  • To disagree; to withhold assent. Construed with from (or, formerly, to). 

  • To differ from, especially in opinion, beliefs, etc. 

noun
  • An act of disagreeing with, or deviating from, the views and opinions of those holding authority. 

  • Disagreement with the ideas, doctrines, decrees, etc. of a political party, government or religion. 

  • A violation that arises when disagreement with an official call is expressed in an inappropriate manner such as foul language, rude gestures, or failure to comply. 

  • A separate opinion filed in a case by judges who disagree with the outcome of the majority of the court in that case 

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