dosa vs pikelet

dosa

noun
  • A type of thin south Indian pancake made from fermented lentils and rice blended with water, typically served with chutney or sambar. 

pikelet

noun
  • A thick type of sweet pancake. 

  • A thin crumpet. 

  • Any crumpet, regardless of thickness 

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