Lewis & Short

obliscor, oblisci, paragog. obliscier, archaic collat. form of obliviscor, Att. ap. Non. 500, 1 (Trag. Rel. v. 190 Rib.).
Fut.: obliscar, Att. ap. Non. 500, 1 (Trag. Rel. v. 488 Rib.); v. obliviscor.