FETTLING is a playable word

fettling Scrabble® Dictionary

noun
pl. fettlings
loose material thrown on the hearth of a furnace to protect it
102 Playable Words can be made from "FETTLING"
   2-Letter Words (13 found)
   6-Letter Words (4 found)
   7-Letter Words (3 found)
   8-Letter Words (1 found)