* Pot-: This prefix is often used to indicate potential or possibility, as in "potential" or "potentiality."
* Prob-: This prefix refers to likelihood or probability, as in "probable" or "probability."
* Pos-: This prefix is used to form words related to position or place, but it can sometimes be used metaphorically to suggest a potential state or condition.
Ultimately, the best prefix to use will depend on the specific meaning you want to convey. For example, if you want to emphasize the possibility of something happening, "pot-" might be the most suitable prefix. If you want to emphasize the likelihood of something happening, "prob-" would be a better choice.