There are a variety of different synonyms for the term "fell wagon," which can be used to describe a type of transportation vehicle that has been damaged or destroyed. Some possible examples of synonyms for this term might include "crash cart," which refers to a medical device used to transport injured patients, or "wrecked carriage," which describes a similar type of vehicle that has been damaged beyond repair. Other potential synonyms might include "ruined chariot," "broken-down carriage," or "shattered transport," depending on the specific context in which the term is being used. Ultimately, the choice of synonym will depend on the writer's desired tone and intended meaning.