When it comes to borrowing money, the lending rate is the interest rate that a bank or other financial institution charges. However, there are several synonyms that can be used to describe this term. Some commonly used synonyms for the lending rate include interest rate, borrowing cost, finance charge, and loan rate. Each of these words describes the cost of borrowing money from a lender. While the lending rate can vary depending on the lender and the type of loan, understanding the synonyms for this term can help borrowers better understand the costs associated with borrowing.