panela vs pilonce

panela

noun
  • An unrefined sugar product typical of Central and South America and Mexico, which is basically a solid piece of sucrose and fructose obtained from the boiling and evaporation of sugarcane. 

  • A white, fresh, and smooth Mexican cheese of pasteurized cow's milk similar to Indian paneer. 

pilonce

noun
  • pilon (sugar loaf) 

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