French pancake vs crape

French pancake

noun
  • A thin pancake. 

crape

verb
  • To form into ringlets; to curl or crimp. 

  • To clothe in crape. 

noun
  • Mourning garments, especially an armband or hatband. 

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