FIFTIETH is a playable word

fiftieth Scrabble® Dictionary

noun
pl. fiftieths
one of fifty equal parts
37 Playable Words can be made from "FIFTIETH"
   2-Letter Words (10 found)
   3-Letter Words (15 found)
   4-Letter Words (7 found)
   5-Letter Words (4 found)
   8-Letter Words (1 found)