The Answers for Wordscapes Level 37917 from the Lavish 9 pack and Master group are: lest, let, lure, lust, luster, lute, rest, result, rule, ruse, rust, rustle, rut, set, slur, sure, true, and user.
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.