funds vs paper money

funds

noun
  • Financial resources. 

  • Permanent debts due by a government and paying interest. 

paper money

noun
  • Cash in the form of banknotes. 

  • A type of joss paper resembling banknotes burnt to venerate the deceased, ancestor spirits, deities, etc. 

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