QUELLS is a playable word

quell Scrabble® Dictionary

verb
quelled, quelling, quells
to suppress
16 Playable Words can be made from "QUELLS"
   2-Letter Words (3 found)
   3-Letter Words (7 found)
   4-Letter Words (4 found)
   5-Letter Words (1 found)
   6-Letter Words (1 found)