The term 'prices' can be defined by three crossword solutions: VARY (4 letters), COSTS (5 letters), and RATES (5 letters). VARY means to change or be different in some way, often over a period of time. COSTS refer to the amount of money that must be paid for something. Rates are the amount of money charged for a particular service or product, usually expressed as a unit price per unit of quantity. In general, prices refer to the amount of money that is charged for goods and services.