What is the prefix for treat wrongly?

There isn't one single prefix that specifically means "treat wrongly". However, there are several prefixes that can be used to create words with a similar meaning, depending on the specific context. Here are some options:

* Mis-: This prefix often implies error or mistake, making words like "mistreat" or "mismanage" convey the idea of treating someone incorrectly.

* Mal-: This prefix generally indicates badness or evil, so words like "maltreat" or "maladminister" suggest deliberate harmful treatment.

* Dis-: This prefix can signify the opposite or removal of something. Therefore, "disrespect" or "disregard" suggest treating someone with a lack of appropriate consideration.

* In-: This prefix can indicate a lack of something, such as "injustice" or "inequality," implying unfair treatment.

Ultimately, the best prefix to use depends on the specific nuance you want to convey.