gelatin vs lollipop

gelatin

noun
  • An edible jelly made from this material. 

  • A thin, translucent membrane used as a filter for photography or for theatrical lighting effects. 

  • A protein derived through partial hydrolysis of the collagen extracted from animal skin, bones, cartilage, ligaments, etc. 

lollipop

noun
  • An item of confectionery consisting of a piece of candy/sweet attached to a stick. 

  • Something having the shape of a lollipop: a linear stem connected to a round body. 

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