FETTLE is a playable word

fettle Scrabble® Dictionary

verb
fettled, fettling, fettles
to cover the hearth of with fettling
26 Playable Words can be made from "FETTLE"
   2-Letter Words (5 found)
   3-Letter Words (10 found)
   4-Letter Words (9 found)
   5-Letter Words (1 found)
   6-Letter Words (1 found)