germaneness vs usance

germaneness

noun
  • The property or condition of being germane. 

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 germaneness and usance occurred in a corpus of books? (source: Google Ngram Viewer )