derision vs fealty

derision

noun
  • Something to be derided; a laughing stock. 

  • Act of treating with disdain. 

fealty

noun
  • Fidelity to one's lord or master; the feudal obligation by which the tenant or vassal was bound to be faithful to his lord. 

  • The oath by which this obligation was assumed. 

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