DUMFOUNDING is a playable word

dumfound Scrabble® Dictionary

verb
dumfounded, dumfounding, dumfounds
to astonish

131 Playable Words can be made from "DUMFOUNDING"

   2-Letter Words (18 found)

   6-Letter Words (7 found)

   7-Letter Words (8 found)

   8-Letter Words (5 found)

   11-Letter Words (1 found)