The Answers for Wordscapes Level 37644 from the Cove 11 pack and Master group are: act, ant, arc, art, aunt, can, car, cart, cat, currant, curt, cut, rant, rat, runt, rut, tan, tar, tuna, and turn.
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.