Fer de Lance is a term that refers to a highly venomous pit viper that is found in Central and South America. It is also known as Bothrops asper. If you are looking for synonyms for the word Fer de Lance, there are a few options to consider. Firstly, there is the common name for this snake, the Central American Pit Viper. Other options include the Terciopelo, which is Spanish for velvet, and the Yellow-Lipped Pit Viper. Regardless of the name used, it is important to recognize the danger posed by this venomous snake and take precautions to avoid getting bitten.