coinage vs paper money

coinage

noun
  • Coins taken collectively; currency. 

  • The process of creating something new. 

  • The creation of new words, neologizing. 

  • Something which has been made or invented, especially a coined word; a neologism. 

  • The process of coining money. 

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