ostentatious vs unpretentious

ostentatious

adj
  • Intended to attract notice. 

  • Of tawdry display; kitsch. 

  • Of ostentation. 

unpretentious

adj
  • Simple, humble, not pretentious, plain. 

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