"Choc en retour" is a French phrase that refers to a shock or a blow that one feels after receiving an unexpected reaction or response to their actions. The phrase can have various synonyms in English that can be used in different contexts. Some of these synonyms include backlash, repercussion, consequence, aftermath, and repercussion. These words can be used to describe the effects that a person's actions can have on others, and how they are affected by the reaction that they receive in return. These synonyms can help to add clarity and depth to a situation, and can also help to convey the intensity of the impact that a person's actions can have on others.