groaty vs piggy

groaty

adj
  • Grotty (“dirty; gross”). 

  • Made or consisting of groats. 

piggy

adj
  • slovenly, dirty 

  • greedy 

noun
  • A toe. 

  • A pig, a greedy person. 

  • A member of the police. 

  • A pig (the animal). 

  • A guinea pig. 

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