When it comes to finding alternate terms for "swap out", there are several phrases that can convey a similar meaning. One common synonym is "replace", which renders the idea of exchanging one thing for another. Another phrase that can be used is "substitute", which suggests the act of putting a different item in place of the original. Additionally, "exchange" and "switch" are frequently utilized as synonyms for "swap out", emphasizing the action of interchanging objects or elements. It is worth noting that all these terms ultimately represent the concept of swapping or changing something for another, providing alternatives to the usage of "swap out" in different contexts.