trampoline vs trampolining

trampoline

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

  • 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. 

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

  • To jump as if on a trampoline. 

trampolining

noun
  • A competitive sport performed on the trampoline. 

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