frou-frou vs priceless

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. 

priceless

adj
  • Ridiculous, absurd, rich. 

  • Treasured; held in high regard. 

  • Without a price assigned. 

  • Very amusing, hilarious. 

  • So precious as not to be sold at any price; invaluable. 

  • Excellent, wonderful, fantastic. 

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