TONNEAU is a playable word

tonneau Scrabble® Dictionary

noun
pl. tonneaus or tonneaux
the rear seating compartment of an automobile
71 Playable Words can be made from "TONNEAU"
   2-Letter Words (16 found)
   3-Letter Words (27 found)
   4-Letter Words (19 found)
   5-Letter Words (8 found)
   7-Letter Words (1 found)