VITRIOL is a playable word

vitriol Scrabble® Dictionary

verb
vitrioled, vitrioling, vitriols or vitriolled, vitriolling, vitriols
to treat with sulfuric acid
33 Playable Words can be made from "VITRIOL"
   2-Letter Words (7 found)
   3-Letter Words (7 found)
   4-Letter Words (14 found)
   5-Letter Words (4 found)
   7-Letter Words (1 found)