The Answers for Wordscapes Level 57350 from the Valley 67 pack and Master group are: ace, acre, arc, arcade, are, area, cad, cadre, car, care, cedar, dare, dear, ear, era, race, rad, read, and red.
Just a heads-up: the puzzle layout on Master levels is autogenerated, so the grid you see here might look a little different than the one in your game.