The Answers for Wordscapes Level 60518 from the Red 34 pack and Master group are: ant, how, not, now, oath, own, than, that, thaw, ton, tot, town, two, want, watt, what, whatnot, who, whoa, and won.
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.