bungee vs chewing gum

bungee

noun
  • A rubber eraser. 

  • 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. 

verb
  • To bungee jump 

chewing gum

noun
  • A flavoured preparation of chicle or synthetic rubber, made for chewing. 

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