piggy vs voracious

piggy

adj
  • greedy 

  • slovenly, dirty 

noun
  • A toe. 

  • A pig, a greedy person. 

  • A member of the police. 

  • A pig (the animal). 

  • A guinea pig. 

voracious

adj
  • Wanting or devouring great quantities of food. 

  • Having a great appetite for anything. 

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