combat vs dead-end

combat

noun
  • a struggle for victory 

  • A battle, a fight (often one in which weapons are used). 

verb
  • To fight; to struggle against. 

  • To fight (with); to struggle for victory (against). 

dead-end

noun
  • A position that offers no hope of progress. 

  • A road with no exit. 

verb
  • To come to a dead-end. 

adj
  • Going nowhere; blocked. 

How often have the words combat and dead-end occurred in a corpus of books? (source: Google Ngram Viewer )