WHOMSO is a playable word

whomso Scrabble® Dictionary

pronoun
the objective case of whoso
49 Playable Words can be made from "WHOMSO"
   2-Letter Words (10 found)
   3-Letter Words (19 found)
   4-Letter Words (15 found)
   5-Letter Words (4 found)
   6-Letter Words (1 found)