Q:

What's the difference between "treiben" and "trieben"?

Is there any difference between treiben and trieben?
According to my dictionary, they have the same meaning, so are they just the same word written in a little different way?
What about the compound words? For example:
Auftreiben=Auftrieben?  

A:

trieben is the 1st person plural and 3rd person plural preterite of treiben. So disregarding conjugation, they have the same meaning.

