care vs diplomacy

care

noun
  • Close attention; concern; responsibility. 

  • Maintenance, upkeep. 

  • Worry. 

  • The treatment of those in need (especially as a profession). 

  • The state of being cared for by others. 

  • The object of watchful attention or anxiety. 

verb
  • To mind; to object. 

  • To want, to desire; to like; to be inclined towards. 

  • To be concerned (about), to have an interest (in); to feel concern (about). 

  • (with for) To look after or look out for. 

  • For it to matter to, or make any difference to. 

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. 

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