shilling vs small change

shilling

noun
  • A coin formerly used in the United Kingdom, Ireland, Malta, Australia, New Zealand and many other Commonwealth countries worth twelve old pence, or one twentieth of a pound sterling. 

  • A currency in the United States, differing in value between states. 

  • The currency of Kenya, Somalia, Tanzania and Uganda. 

  • The Spanish real, formerly having the value of one eighth of a dollar. 

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 shilling and small change occurred in a corpus of books? (source: Google Ngram Viewer )