I'm looking for a low-interest loan.
This bank lends money at low interest rates.
The bank decided to lend to small businesses at a low interest rate.
I was able to borrow my home loan at a low interest rate.
The government is offering low-interest loans for disaster recovery.
high interest rate
低利 refers specifically to a low interest rate, while 低率 refers more generally to any low rate or percentage, not just interest.
Compound of 低 (low) and 利 (interest/profit). The reading ていり follows standard on'yomi.