chivalrous vs valiant

chivalrous

adj
  • Honourable, especially to women; gallant. 

  • involving chivalry. 

valiant

adj
  • Characterized by or done with bravery or valour. 

  • Possessing or showing courage or determination; brave, heroic. 

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