hardy vs hearty

hardy

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

  • Impudent. 

  • Able to survive adverse growing conditions. 

  • Brave and resolute. 

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. 

hearty

adj
  • Promoting strength; nourishing. 

  • Cheerful, vivacious. 

  • Exhibiting strength; firm 

  • Energetic, active or eager. 

  • warm and cordial towards another person 

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