dissent vs friction

dissent

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

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

  • 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 

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

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

friction

noun
  • Conflict, as between persons having dissimilar ideas or interests; clash. 

  • The rubbing of one object or surface against another. 

  • A force that resists the relative motion or tendency to such motion of two bodies in contact. 

  • (Second Sino-Japanese War) Conflict, as between the Communists and non-Hanjian Kuomintang forces. 

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