The Answers for Wordscapes Level 55277 from the Arrive 29 pack and Master group are: all, anvil, avail, avian, ill, lain, lava, nail, naval, nil, vain, van, vanilla, via, vial, and villa.
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.