porky vs rolly polly

porky

noun

  • A porcupine. 

  • An eye. 

  • A lie. 

adj

  • Resembling or characteristic of pork. 

  • Rather fat; chubby. 

rolly polly

noun

  • A woodlouse. 

  • A forward roll or a backwards roll. 

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