Subleasing is a common practice when the original tenant of a property decides to rent it out to another person for a shorter period of time. There are several words that can be used as synonyms for subleasing. One option is to use the word "sublet," which means to rent out a property that is already being rented by someone else. Another word that is sometimes used as a synonym for subleasing is "assigning." This word is typically used when the original tenant is transferring their lease to another person for the remainder of the lease term. Other potential synonyms for subleasing might include words like renting out, leasing, or sharing.