bittersweet vs frou-frou

bittersweet

noun
  • Bittersweetness. 

  • A pinkish-orange color. Any color in between scarlet and orange. 

  • A vine, of the genus Celastrus, having small orange fruit that open to reveal red seeds. 

  • Bittersweet nightshade, Solanum dulcamara. 

  • Any variety of clam in the family Glycymerididae 

  • A variety of apple with a bittersweet taste. 

adj
  • Both bitter and sweet. 

  • Expressing contrasting emotions of pain and pleasure. 

  • Of bittersweet color. 

frou-frou

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

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

  • Unimportant, silly, useless. 

  • Highly ornamented, overly elaborate; excessively girly. 

verb
  • To move with the sound of rustling dresses. 

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