LONGUEUR is a playable word

longueur Scrabble® Dictionary

noun
pl. longueurs
a dull and tedious section
101 Playable Words can be made from "LONGUEUR"
   2-Letter Words (13 found)
   3-Letter Words (32 found)
   6-Letter Words (4 found)
   7-Letter Words (1 found)
   8-Letter Words (1 found)