desperado vs lame duck

desperado

noun
  • A person in desperate circumstances or who is at the point of desperation, such as a down-and-outer, an addict, etc. 

  • A person who is desperately in love or is desperate for a romantic or sexual relationship. 

  • A bold outlaw, especially one from southern portions of the Wild West. 

  • A piece that seems determined to give itself up, typically to bring about stalemate or perpetual check. 

lame duck

noun
  • A person or thing that is helpless, inefficient, or disabled. 

  • An elected official who has lost the recent election or is not eligible for reelection and is marking time until leaving office. 

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