OUTFASTING is a playable word

outfast Scrabble® Dictionary

verb
outfasted, outfasting, outfasts
to surpass in fasting
413 Playable Words can be made from "OUTFASTING"
   2-Letter Words (27 found)
   3-Letter Words (82 found)
   8-Letter Words (4 found)
   9-Letter Words (1 found)
   10-Letter Words (1 found)