affair vs sociable

affair

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

  • 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. 

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

  • A material object (vaguely designated). 

sociable

noun
  • An informal party or church meeting for purposes of socializing. 

  • A four-wheeled open carriage with seats facing each other. 

  • A couch with a curved S-shaped back. 

  • A bicycle or tricycle for two persons side by side. 

  • A sociable person. 

adj
  • Tending to socialize or be social. 

  • Offering opportunities for conversation; characterized by much conversation. 

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