SLAGS is a playable word

slag Scrabble® Dictionary

verb
slagged, slagging, slags
to convert into slag (the fused residue of a smelted ore)
21 Playable Words can be made from "SLAGS"
   2-Letter Words (4 found)
   3-Letter Words (9 found)
   4-Letter Words (6 found)
   5-Letter Words (2 found)