Home exchange is a popular way for people to travel and save money on accommodation costs. However, there are several synonyms for this term that might not be as commonly known. One alternative phrase is "house swapping," which is exactly what it sounds like: two parties swapping homes for a set period of time. Another term is "home swap," which is a more general way of referring to the process of exchanging homes. "House exchange" is another option, which can be used interchangeably with "home exchange." Lastly, "house trade" is a less common synonym, but it still conveys the same concept of two parties trading their homes for a vacation.