bungee vs bungee jumping

bungee

noun
  • An elastic cord tied to the ankles of the jumper in bungee jumping. 

  • An elastic fabric-bound strap with a hook at each end, used for securing luggage. 

  • A rubber eraser. 

verb
  • To bungee jump 

bungee jumping

noun
  • The activity of jumping from a great height with an elasticated cord attached to the ankles. 

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