filthy vs frou-frou

filthy

adj
  • Very unpleasant or disagreeable. 

  • Covered with filth; very dirty. 

  • Obscene or offensive. 

verb
  • To make very dirty; to saturate something with dirt. 

  • To cover in filth. 

frou-frou

adj
  • Unimportant, silly, useless. 

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

  • Highly ornamented, overly elaborate; excessively girly. 

verb
  • To move with the sound of rustling dresses. 

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

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