chou vs profiterole

chou

noun
  • Choux pastry, usually in the form of a small round cake with a sweet filling. 

  • A bunch, knot, or rosette of ribbon or other material, used as an ornament in women's clothing. 

profiterole

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

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