They aren’t the same. Going back to at least Hitchcock (one of my faves), who brought the muddy term “psycho” into the public psyche, conflated the definitions as if all are violent, and all “crazy” is crazy. I’m sure there are briefer answers out there for those wondering what’s the difference between psychotic and psychopathic. And even though SRSLY made it into the OED because of its widespread use, lay inaccurate uses of the term psychotic will likely not. Briefly in discussing how we got here, the words are interchanged because they sound alike, and are used commonly to describe