SINNER is a playable word

sinner Scrabble® Dictionary

noun
pl. sinners
one that sins
47 Playable Words can be made from "SINNER"
   2-Letter Words (8 found)
   3-Letter Words (15 found)
   4-Letter Words (10 found)
   5-Letter Words (10 found)
   6-Letter Words (4 found)