"Reconverts" is a word that refers to the process of converting back to a previous state or belief system. There are several synonyms that can be used to describe the same action. For example, "repents" can be used to describe the act of changing one's mind and returning to a previous way of living. "Returns" can be used to describe the act of going back to a place or idea that was previously abandoned. "Renounces" can be used to describe the act of giving up a belief system or way of life and returning to a previous one. "Reclaims" can be used to describe the act of taking back something that was previously lost or abandoned. All of these synonyms can convey the same meaning as "reconverts".