pucker vs ruche

pucker

noun
  • A fold or wrinkle. 

  • A state of perplexity or anxiety; confusion; bother; agitation. 

verb
  • To pinch or wrinkle; to squeeze inwardly, to dimple or fold. 

ruche

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

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

  • 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 pucker and ruche occurred in a corpus of books? (source: Google Ngram Viewer )