feudal vs fusty

feudal

adj
  • Of, or relating to feudalism. 

fusty

adj
  • Moldy or musty. 

  • Stale-smelling or stuffy. 

  • Tasting of the cask. 

  • Old-fashioned, refusing to change or update. 

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