pocket money vs trifle

pocket money

noun
  • A small sum of cash, carried on the person, for small, daily expenses. 

  • A small sum of money given to a child, by a parent or guardian. 

trifle

noun
  • A very small amount (of something). 

  • A particular kind of pewter. 

  • Anything that is of little importance or worth. 

  • An insignificant amount of money. 

  • Utensils made from this particular kind of pewter. 

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

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 pocket money and trifle occurred in a corpus of books? (source: Google Ngram Viewer )