crumb vs sponge cake

crumb

noun
  • A small piece which breaks off from baked food (such as cake, biscuit or bread). 

  • A mixture of sugar, cocoa and milk, used to make industrial chocolate. 

  • A nobody; a worthless person. 

  • A small piece of other material, such as rubber. 

  • A body louse (Pediculus humanus). 

  • The soft internal portion of bread, surrounded by crust. 

  • A bit, small amount. 

verb
  • To cover with crumbs. 

  • To break into crumbs or small pieces with the fingers; to crumble. 

sponge cake

noun
  • A light, soft, baked dessert (commonly layered with cream and jam) that is typically made with flour, sugar, baking powder and eggs, and has a firm, yet well aerated structure, similar to that of a sea sponge. 

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