The Answers for Wordscapes Level 18811 from the River 14 pack and Master group are: dew, did, died, diode, doe, dow, odd, ode, owe, owed, wed, wide, widow, widowed, woe, wow, and wowed.
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.