It's important to note that "judge" is a root word itself, meaning it doesn't have a prefix attached to it.
However, there are words with similar meanings that use prefixes like:
* Prejudge: "pre" meaning beforehand
* Misjudge: "mis" meaning wrongly
* Overjudge: "over" meaning excessively
Let me know if you have any other word prefixes you'd like to explore!