UTILIDOR is a playable word

utilidor Scrabble® Dictionary

noun
pl. utilidors
an insulated system of pipes for use in arctic regions
83 Playable Words can be made from "UTILIDOR"
   2-Letter Words (11 found)
   3-Letter Words (26 found)
   5-Letter Words (6 found)
   6-Letter Words (1 found)
   7-Letter Words (1 found)
   8-Letter Words (1 found)