frou-frou vs sophisticated

frou-frou

adj
  • Highly ornamented, overly elaborate; excessively girly. 

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

  • Unimportant, silly, useless. 

verb
  • To move with the sound of rustling dresses. 

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

sophisticated

adj
  • Of art or other things: appealing to the tastes of an intellectual or sophisticated (sense 1) person; cerebral; also, cultured, elegant, refined. 

  • Of a person: having obtained worldly experience, and lacking naiveté; cosmopolitan, worldly-wise. 

  • Complicated, especially of complex technology. 

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