GADWALL is a playable word

gadwall Scrabble® Dictionary

noun
pl. gadwalls
a wild duck
31 Playable Words can be made from "GADWALL"
   2-Letter Words (7 found)
   3-Letter Words (16 found)
   4-Letter Words (5 found)
   5-Letter Words (2 found)
   7-Letter Words (1 found)