Re-purchasing is an action that implies buying something again, typically after a period of time has passed since the initial purchase. There are a few different synonyms that could be used to express this action in different contexts. For example, some people might use the term "rebuying" to convey the same idea. Other possible synonyms include "repurchasing," "rebought," "reacquiring," "reselling," or "reinvesting." Each of these words could be used to describe the act of buying something again, whether it's a product, investment, or something else entirely. The choice of which word to use may depend on the specific context in which the action is taking place, as well as the writer's personal style and preference.