obstinant vs stalwart

obstinant

adj
  • Obstinate. 

stalwart

adj
  • Determined; staunch. 

  • Firmly or solidly built. 

  • Courageous. 

noun
  • One who is dependable. 

  • One who has a strong build. 

  • One who firmly supports a cause. 

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