familiarity vs usance

familiarity

noun
  • An instance of familiar behaviour. 

  • Undue intimacy; inappropriate informality, impertinence. 

  • Close or habitual acquaintance with someone or something; understanding or recognition acquired from experience. 

  • The state of being extremely friendly; intimacy. 

usance

noun
  • Customary or habitual usage. 

  • Use. 

  • The interest paid on a borrowed sum, usury. 

  • The length of time permitted for the payment of a bill of exchange. 

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