The Answers for Wordscapes Level 41511 from the Marsh 12 pack and Master group are: nope, not, note, one, open, opt, pen, pent, peon, pet, poet, pot, potent, tent, toe, ton, tone, top, tot, and tote.
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.