Aperients are medications or substances that help relieve constipation by promoting bowel movements. However, there are various synonyms that can be used interchangeably with this word. Laxatives, purgatives, and evacuants are some of the most commonly used synonyms for aperients. Laxatives are substances that help in easing bowel movement by softening the stool. Purgatives and evacuants are more powerful than aperients, helping in the evacuation of the bowels. Cathartics and physic are also synonyms for aperients, with the former causing catharsis or the forceful evacuation of the bowels. Understanding these synonyms can help individuals or healthcare professionals choose the right medication for a specific situation or patient.