boldness vs unpretentiousness

boldness

noun
  • The relative weight of a font; the thickness of its strokes. 

  • The state of being bold; courage. 

  • presumptuousness 

unpretentiousness

noun
  • The state or condition of being unpretentious. 

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