frippery vs three-piece suit

frippery

noun
  • Ostentation, as in fancy clothing. 

  • Hence: secondhand finery; cheap and tawdry decoration; affected elegance. 

  • Useless things; trifles. 

three-piece suit

noun
  • A suit consisting of matching jacket, trousers, and waistcoat. 

How often have the words frippery and three-piece suit occurred in a corpus of books? (source: Google Ngram Viewer )