binge eating vs gourmandism

binge eating

noun
  • The consumption of a large amount of food in a relatively short time; often as a symptom of bulimia 

gourmandism

noun
  • gluttony 

  • A passion for and deep interest in good food. 

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