DECIBEL is a playable word

decibel Scrabble® Dictionary

noun
pl. decibels
a unit of sound intensity
60 Playable Words can be made from "DECIBEL"
   2-Letter Words (7 found)
   3-Letter Words (20 found)
   4-Letter Words (18 found)
   5-Letter Words (10 found)
   6-Letter Words (4 found)
   7-Letter Words (1 found)