boldness vs indomitableness

boldness

noun
  • presumptuousness 

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

  • The state of being bold; courage. 

indomitableness

noun
  • Quality of being indomitable. 

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