Minimal change is a term used to describe the smallest amount of money that can be exchanged for goods or services. In this context, the crossword solutions CENTS (5 letters), PENNY (5 letters), and CENT (4 letters) all refer to the smallest unit of currency in many countries, including the United States. CENTS and pennies are both terms used to refer to the same unit of currency, while CENT is the singular form of the word.