choke off vs dead-end

choke off

verb
  • To get rid of, cause to come to an end. 

  • To stop a person in the execution of a purpose. 

dead-end

verb
  • To come to a dead-end. 

noun
  • A road with no exit. 

  • A position that offers no hope of progress. 

adj
  • Going nowhere; blocked. 

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