diplomacy vs gallantry

diplomacy

noun
  • Tact and subtle skill in dealing with people so as to avoid or settle hostility. 

  • The art and practice of conducting international relations by negotiating alliances, treaties, agreements etc., bilaterally or multilaterally, between states and sometimes international organizations, or even between polities with varying status, such as those of monarchs and their princely vassals. 

gallantry

noun
  • an instance of gallant behaviour or speech 

  • chivalrous courtliness, especially towards women 

  • courage 

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