persuasion vs unbelief

persuasion

noun
  • The act of persuading, or trying to do so; the addressing of arguments to someone with the intention of changing their mind or convincing them of a certain point of view, course of action etc. 

  • A strongly held conviction, opinion or belief. 

  • Another personal, animal or inanimate trait that is not (very) liable to be changed by persuasion, such as sex, gender, ethnicity, origin, profession or nature. 

  • One's ability or power to influence someone's opinions or feelings; persuasiveness. 

  • An argument or other statement intended to influence one's opinions or beliefs; a way of persuading someone. 

  • A specified religious adherence, a creed; any school of thought or ideology. 

unbelief

noun
  • An absence (or rejection) of belief, especially religious belief 

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