kielbasa vs pigs in a blanket

kielbasa

noun
  • A spicy, smoked sausage of a particular kind from Eastern Europe. 

  • Penis. 

pigs in a blanket

noun
  • a dish of ground pork and/or beef cooked in cabbages 

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