coconut jelly vs waternut

coconut jelly

noun
  • A usually cubed preserve made by fermenting and then cooking coconut water, used as a dessert 

  • The soft meat of an immature coconut, often used as babyfood 

waternut

noun
  • Synonym of jelly coconut 

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