Nickles and dimes are two of the most common COINS used in the United States. They are both part of the COINAGE system, which is the collective term for all the COINS used in a particular country. Nickles and dimes are also referred to as CHANGE, which is the money given in exchange for goods or services. Additionally, nickles and dimes are sometimes referred to as chickenfeed or chumpchange, which are terms used to describe small amounts of money that are not worth much.