However, you can form words using the root "vict" which means "conquer" or "win". For example:
* Invincible: Unable to be conquered or overcome.
* Victor: A winner or conqueror.
* Victorious: Having won a victory.
* Victory: The act of winning.
* Convict: To declare someone guilty of a crime.
If you're interested in learning more about prefixes, you can find many resources online or in dictionaries.