desperado vs tough

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. 

tough

noun
  • A person who obtains things by force; a thug or bully. 

verb
  • To endure. 

  • To toughen. 

adj
  • Harsh or severe. 

  • Difficult or demanding. 

  • Stubborn or persistent; capable of stubbornness or persistence. 

  • Strong and resilient; sturdy. 

  • Undergoing plastic deformation before breaking. 

  • Difficult to cut or chew. 

  • Rugged or physically hardy. 

  • Rowdy or rough. 

intj
  • Used to indicate lack of sympathy 

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