contest vs dissent

contest

verb
  • To call into question; to oppose. 

  • To strive earnestly to hold or maintain; to struggle to defend. 

  • To make a subject of litigation; to defend, as a suit; to dispute or resist, as a claim, by course of law. 

  • To contend. 

noun
  • Controversy; debate. 

  • Struggle for superiority; combat. 

  • A competition. 

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 contest and dissent occurred in a corpus of books? (source: Google Ngram Viewer )