brilliant vs frou-frou

brilliant

noun
  • A kind of cotton goods, figured on the weaving. 

  • A finely cut gemstone, especially a diamond, cut in a particular form with numerous facets so as to maximize light return through the top (called "table") of the stone. 

  • Most hummingbird species of the genus Heliodoxa. 

adj
  • Highly intelligent. 

  • Magnificent or wonderful. 

  • Both bright and saturated. 

  • Shining brightly. 

  • Having a sharp, clear tone. 

  • Of surpassing excellence. 

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 brilliant and frou-frou occurred in a corpus of books? (source: Google Ngram Viewer )