beignet vs profiterole

beignet

noun
  • A Louisiana-style fried doughnut or fritter covered in powdered sugar. 

  • A fritter (with a fruit or vegetable filling). 

profiterole

noun
  • A small, hollow case of choux pastry with a filling. 

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