Supercherie, a French term for deceit or fraudulence, has a number of synonyms that convey similar meaning. One such word is "imposture", which refers to pretending to be someone or something else with an intention to deceive. Another synonym is "charlatanry", which essentially means the same as supercherie, i.e. the practice of deceiving people for personal gain. "Deceit" and "fraudulence" can also be considered synonyms for supercherie, as both words describe deceitful behavior meant to gain an advantage or cause harm to others. In essence, the word supercherie has a variety of synonyms that encapsulate the different types of deception that can manifest in various contexts.