butternut vs gramma

butternut

noun
  • Butternut squash. 

  • The nut of this walnut tree. 

  • A dye made from the fruit of this walnut tree. 

  • The souari nut. 

  • A North American walnut tree, Juglans cinerea. 

  • The wood or bark of this walnut tree. 

gramma

noun
  • A variety of pumpkin, a cultivar of Cucurbita moschata. 

  • Something that is written. 

  • The subjects of reading, writing, and arithmetic. 

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