downy vs vulpinary

downy

adj
  • Sharp-witted, perceptive. 

  • Having down, covered with a soft fuzzy coating as of small feathers or hair. 

  • Low-spirited; down in the mouth. 

noun
  • A blanket filled with down; a duvet. 

vulpinary

adj
  • Crafty, sly, shrewd. 

  • Not spiritual or religious; common. 

  • Relating to a fox. 

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