The Collaborative International Dictionary of English v.0.48:

Culpe \Culpe\ (k[u^]lp), n. [F. coulpe, fr.L.culpa.]
   Blameworthiness. [Obs.]
   [1913 Webster]

         Banished out of the realme . . . without culpe. --E.
                                                  Hall.
   [1913 Webster]