COULOIRS is a playable word

couloir Scrabble® Dictionary

noun
pl. couloirs
a deep gorge or gully
86 Playable Words can be made from "COULOIRS"
   2-Letter Words (9 found)
   3-Letter Words (21 found)
   6-Letter Words (5 found)
   7-Letter Words (2 found)
   8-Letter Words (1 found)