"More letting" is a term that describes the act of leasing or renting out a property. However, there are several synonyms that can be used to describe this action. One possible alternative is "leasing agreement," which specifically refers to the contract between the lessor and lessee. Another option is "property rental," which emphasizes the temporary use of the property. "Landlordship" is another term that is used to describe the state of being a landlord, while "tenanting" or "occupancy" describes the state of being a tenant. Overall, there are many different synonyms for "more letting" that can be used in different contexts, depending on the desired emphasis or tone.