dissent vs vary

dissent

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

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

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 

vary

verb
  • To be or act different from the usual. 

  • To make of different kinds; to make different from one another; to diversity; to variegate. 

  • To embellish; to change fancifully; to present under new aspects, as of form, key, measure, etc. See variation. 

  • Not to remain constant: to change with time or a similar parameter. 

  • To institute a change in, from a current state; to modify. 

  • To change with time or a similar parameter. 

  • To display differences. 

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