jelly bean vs jellybean

jelly bean

noun
  • A small, bean-shaped, chewy candy/sweet with a firm coating and a jelly-like center, made of sugar, flavoring, coloring and sometimes starch or other thickener, and usually sold assorted in a wide variety of flavors and bright colors. 

jellybean

adj
  • of an electronic component, or software algorithm: generic, standard, vanilla, easy to find 

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