The word "rabel" has a few synonyms that could be used depending on the context. One of them is "rabble," which refers to a disorderly crowd of people or a group of people perceived as inferior. Another synonym is "canaille," a French word meaning the same as "rabble" but with a more derogatory connotation. "Mob" is also a synonym for "rabel" and can be used interchangeably to describe a large group of people, often with negative connotations. Finally, "commoners" or "plebeians" can serve as synonyms for "rabel" when referring to the lower classes of society. In summary, there are several words that can be used as synonyms for "rabel," each with their own nuances and contexts.