WALLING is a playable word

wall Scrabble® Dictionary

verb
walled, walling, walls
to provide with a wall (an upright structure built to enclose an area)
61 Playable Words can be made from "WALLING"
   2-Letter Words (10 found)
   3-Letter Words (20 found)
   4-Letter Words (19 found)
   5-Letter Words (8 found)
   6-Letter Words (3 found)
   7-Letter Words (1 found)