frippery vs prettification

frippery

noun
  • Ostentation, as in fancy clothing. 

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

  • Useless things; trifles. 

prettification

noun
  • The act of making someone or something pretty. 

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