shrapnel vs small change

shrapnel

noun
  • Debris. 

  • The bullets from the aforementioned type of artillery shell. 

  • A collective term for shot, fragments, or debris thrown out by an exploding shell, bomb or landmine. 

  • An anti-personnel artillery shell used in World War I which carries a large number of individual bullets close to the target and then ejects them to allow them to continue along the shell's trajectory and strike the target individually. 

  • Loose change. 

small change

noun
  • Coins of little value kept in one's pocket or bag. 

  • A minor or insignificant amount of money. 

  • A person or thing of little importance or value. 

How often have the words shrapnel and small change occurred in a corpus of books? (source: Google Ngram Viewer )