affair vs experience

affair

noun
  • Any proceeding or action which it is wished to refer to or characterize vaguely. 

  • An action or engagement not of sufficient magnitude to be called a battle. 

  • An adulterous relationship (from affaire de cœur, affair of the heart). 

  • A person with whom someone has an adulterous relationship. 

  • A romantic relationship with someone who is not one's regular partner (boyfriend, girlfriend). 

  • Something which is done or is to be done; business of any kind, commercial, professional, or public. 

  • A party or social gathering, especially of a formal nature. 

  • A material object (vaguely designated). 

experience

noun
  • The effect upon the judgment or feelings produced by any event, whether witnessed or participated in; personal and direct impressions as contrasted with description or fancies; personal acquaintance; actual enjoyment or suffering. 

  • A collection of events and/or activities from which an individual or group may gather knowledge, opinions, and skills. 

  • The knowledge thus gathered. 

  • An activity one has performed. 

verb
  • To observe certain events; undergo a certain feeling or process; or perform certain actions that may alter one or contribute to one's knowledge, opinions, or skills. 

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