binge eating vs piggishness

binge eating

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

piggishness

noun
  • The quality of being like a pig in one's character; greediness, boorishness, or obstinacy. 

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