kleptomaniacal vs piggy

kleptomaniacal

adj

  • Having a compulsion to steal, as a kleptomaniac does. 

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. 

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