TRIDUUMS is a playable word

triduum Scrabble® Dictionary

noun
pl. triduums
a period of three days of prayer
87 Playable Words can be made from "TRIDUUMS"
   2-Letter Words (10 found)
   3-Letter Words (29 found)
   5-Letter Words (11 found)
   6-Letter Words (4 found)
   7-Letter Words (1 found)
   8-Letter Words (1 found)