Wealthy vs hardy

Wealthy

noun
  • A certain cultivar of American apple from Minnesota. 

hardy

noun
  • Anything, especially a plant, that is hardy. 

  • A blacksmith's fuller or chisel, having a square shank for insertion into a square hole in an anvil, called the hardy hole. 

adj
  • Impudent. 

  • Having rugged physical strength; inured to fatigue or hardships. 

  • Able to survive adverse growing conditions. 

  • Brave and resolute. 

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