autoblock vs leash

autoblock

noun
  • A technique used in rappelling and ascending, with a friction hitch around the climbing rope. 

  • (An) automatic blocking (inhibition of a feature etc.). 

verb
  • To automatically block. 

  • To use the autoblock technique. 

leash

noun
  • A leg rope. 

  • A group of three 

  • A string with a loop at the end for lifting warp threads, in a loom. 

  • A brace and a half; a tierce. 

  • A set of three animals (especially greyhounds, foxes, bucks, and hares;) 

  • A strap, cord or rope with which to restrain an animal, often a dog. 

verb
  • To fasten or secure with a leash. 

  • to curb, restrain 

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