diplomacy vs polish

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. 

polish

noun
  • Refinement; cleanliness in performance or presentation. 

  • Cleanliness; smoothness, shininess. 

  • A substance used to polish. 

verb
  • To refine; to wear off the rudeness, coarseness, or rusticity of; to make elegant and polite. 

  • To apply shoe polish to shoes. 

  • To become smooth, as from friction; to receive a gloss; to take a smooth and glossy surface. 

  • To shine; to make a surface very smooth or shiny by rubbing, cleaning, or grinding. 

  • To refine; remove imperfections from. 

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