The term UTIL. BILL is a combination of two words, 'UTILITY' and 'BILL'. UTILITY refers to services such as electricity, gas, water, and telecommunications, while a BILL is an invoice for payment of goods or services. The crossword solutions for the term UTIL. BILL are TEL (3 letters) and ELEC (4 letters). TEL stands for telecommunications, which is a type of UTILITY service that includes telephone, internet, and television services. ELEC stands for electricity, which is another type of UTILITY service that provides power to homes and businesses.