confectionery made of gelatin vs gummy worm

confectionery made of gelatin

gummy worm

noun
  • A confectionery made of gelatin and often, but not always, in the shape of a toy worm, and somewhat softer than a gummy bear. 

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