SOLUMS is a playable word

solum Scrabble® Dictionary

noun
pl. solums or sola
a soil layer
40 Playable Words can be made from "SOLUMS"
   2-Letter Words (8 found)
   3-Letter Words (12 found)
   4-Letter Words (13 found)
   5-Letter Words (6 found)
   6-Letter Words (1 found)