SUFFER is a playable word

suffer Scrabble® Dictionary

verb
suffered, suffering, suffers
to feel pain or distress
36 Playable Words can be made from "SUFFER"
   2-Letter Words (6 found)
   3-Letter Words (13 found)
   4-Letter Words (13 found)
   5-Letter Words (2 found)
   6-Letter Words (2 found)