Lending rate and Rate of interest

Rate of interest and lending rate are semantically related in interest rate topic. In some cases you can use "Rate of interest" instead a noun phrase "Lending rate", when it comes to topics like sum charged for use of money.

Rate of interest noun - The percentage of a sum of money charged for its use.

Lending rate and rate of interest are semantically related in interest rate topic. You can use "Lending rate" instead a noun phrase "Rate of interest", if it concerns topics such as sum charged for use of money.