MANTEAU is a playable word

manteau Scrabble® Dictionary

noun
pl. manteaus or manteaux
a loose cloak
86 Playable Words can be made from "MANTEAU"
   2-Letter Words (19 found)
   3-Letter Words (31 found)
   5-Letter Words (8 found)
   6-Letter Words (3 found)
   7-Letter Words (1 found)