FATBACK is a playable word

fatback Scrabble® Dictionary

noun
pl. fatbacks
a marine fish
33 Playable Words can be made from "FATBACK"
   2-Letter Words (7 found)
   3-Letter Words (15 found)
   4-Letter Words (6 found)
   5-Letter Words (3 found)
   7-Letter Words (2 found)