The Answers for Wordscapes Level 23503 from the Vine 6 pack and Master group are: abs, alt, atlas, balsa, basal, basalt, bat, blast, lab, last, lat, salt, sat, slab, slat, stab, and tab.
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.