sponge cake vs trifle

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. 

trifle

noun
  • An English dessert made from a mixture of thick custard, fruit, sponge cake, jelly and whipped cream. 

  • A particular kind of pewter. 

  • Anything that is of little importance or worth. 

  • An insignificant amount of money. 

  • A very small amount (of something). 

  • Utensils made from this particular kind of pewter. 

verb
  • To squander or waste. 

  • To deal with something as if it were of little importance or worth. 

  • To act, speak, or otherwise behave with jest. 

  • To inconsequentially toy with something. 

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