frill vs frou-frou

frill

noun
  • A substance or material on the edge of something, resembling such a strip of fabric. 

  • A wrinkled edge to a film. 

  • A strip of pleated fabric or paper used as decoration or trim. 

  • Something extraneous or not essential; something purely for show or effect; a luxury. 

  • The relatively extensive margin seen on the back of the heads of reptiles, with either a bony support or a cartilaginous one. 

verb
  • To become wrinkled. 

  • To provide or decorate with a frill or frills; to turn back in crimped plaits. 

  • To make into a frill. 

frou-frou

noun
  • A rustling sound, particularly the rustling of a large silk dress. 

verb
  • To move with the sound of rustling dresses. 

adj
  • Liable to create the sound of rustling cloth, similar to 19th-century dresses. 

  • Unimportant, silly, useless. 

  • Highly ornamented, overly elaborate; excessively girly. 

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