The term 'LEASE-RELATED' can be broken down into two crossword solutions: RENTAL (6 letters) and LEASE (5 letters). A RENTAL is a type of agreement in which a tenant pays a landlord for the use of a property, such as an apartment or house. A LEASE is a legal contract between a landlord and tenant that outlines the terms of the RENTAL agreement. Both RENTAL and LEASE agreements are typically for a fixed period of time and involve the payment of rent.