crape vs ruche

crape

noun
  • Mourning garments, especially an armband or hatband. 

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

  • To clothe in crape. 

ruche

noun
  • A small ruff of fluted or pleated fabric worn at neck or wrist. 

  • A strip of fabric which has been fluted or pleated. 

  • A pile of arched tiles, used to catch and retain oyster spawn. 

verb
  • To bunch up (fabric); to ruck up. 

  • To flute or pleat (fabric). 

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