” the difference between Prust and Prizut ”
Prust would be used to describe an action
Prizut would be used to describe a behavior, or the way a person conducts themselves.
In a sentence, either of the two could be used. Lets put it this way, either word refers to things that are not, shall we say, virtuous.
Do you have a language other that English? If so, I could find a word that you might convey the idea a bit better