REVERB is a playable word

reverb Scrabble® Dictionary

verb
reverbed, reverbing, reverbs
to continue in a series of echoes
19 Playable Words can be made from "REVERB"
   2-Letter Words (3 found)
   3-Letter Words (9 found)
   4-Letter Words (5 found)
   5-Letter Words (1 found)
   6-Letter Words (1 found)