jump off vs trampoline

jump off

verb
  • To move from an elevated place by one jump. 

  • To participate in the final round of an equestrian showjumping event. 

trampoline

verb
  • To jump as if on a trampoline. 

  • To rewrite (computer code) to use trampoline instructions. 

noun
  • Any of a variety of looping or jumping instructions in specific programming languages. 

  • A gymnastic and recreational device consisting of a piece of taut, strong fabric or rubber stretched over a (usually steel) frame using many coiled springs as anchors. 

  • A competitive sport in which athletes are judged on routines of tricks performed on a trampoline. 

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