A fixed charge is a type of financial obligation that is not dependent on the amount of goods or services produced or sold. The crossword solutions for the term 'fixed charge' are RATE (4 letters), FEE (3 letters), setfee (6 letters), and setrate (7 letters). RATE is a fixed amount of money charged for a particular service or product, while FEE is a payment made for professional services. Setfee and setrate refer to a predetermined amount of money that must be paid regardless of the amount of goods or services produced or sold.