WHELM is a playable word

whelm Scrabble® Dictionary

verb
whelmed, whelming, whelms
to cover with water
17 Playable Words can be made from "WHELM"
   2-Letter Words (8 found)
   3-Letter Words (6 found)
   4-Letter Words (2 found)
   5-Letter Words (1 found)