>the solution to guilt is more speech instead of praxis
vs
>the solution to guilt is more speech instead of practice
Second one is vague and unclear.
At any rate, what you wanted to say is maybe best expressed as "the solution to guilt is more speech instead of action."
Note that there are other uses of the word that also themselves don't intersect marxism in any way
https://www.ets.org/praxis https://www.luc.edu/socialwork/praxis/ https://en.wikipedia.org/wiki/Apraxia
Furthermore the precise definition of praxis:
>Praxis (from Ancient Greek: πρᾶξις, romanized: praxis) is the process by which a theory, lesson, or skill is enacted, embodied, or realized. "Praxis" may also refer to the act of engaging, applying, exercising, realizing, or practicing ideas.
is exactly what I intended (since I believe pg, and others I was implicating, pontificate but don't do much).