bungee vs zipper

bungee

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

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

  • A rubber eraser. 

verb
  • To bungee jump 

zipper

noun
  • A leucine zipper. 

  • A string of clothes pegs or clips attached to the body and then quickly pulled off. 

  • A pressure-sensitive plastic closure. 

  • A zip fastener. 

  • A technique for arbitrarily traversing an aggregate data structure and updating its contents. See zipper (data structure). 

  • A scar on a person's body. 

verb
  • to put a zipper on an article. 

  • to close a zipper. 

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