These words all begin with EF

EFFACERS EFFACING EFFECTED EFFECTER EFFECTOR EFFEIRED EFFENDIS EFFERENT EFFERING EFFETELY EFFICACY EFFIERCE EFFIGIAL EFFIGIES EFFLUENT EFFLUVIA EFFLUXES EFFORCED EFFORCES EFFRAIDE EFFULGED EFFULGES EFFUSING EFFUSION EFFUSIVE EFTSOONS EFFABLE EFFACED EFFACER EFFACES EFFECTS EFFEIRS EFFENDI EFFERED EFFERES EFFINGS EFFORCE EFFORTS EFFRAYS EFFULGE EFFUSED EFFUSES EFTSOON EFFACE EFFECT EFFEIR EFFERE EFFETE EFFIGY EFFING EFFLUX EFFORT EFFRAY EFFUSE EFTEST EFFED EFFS EFTS EFF EFS EFT EF