cordiality vs sociability

cordiality

noun
  • The quality of being cordial. 

  • A friendly utterance. 

  • to exchange cordialities with people 

sociability

noun
  • The skill, tendency or property of being sociable or social, of interacting well with others. 

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