STOIC is a playable word

stoic Scrabble® Dictionary

noun
pl. stoics
one who is indifferent to pleasure or pain
(adjective) stoical
25 Playable Words can be made from "STOIC"
   2-Letter Words (8 found)
   3-Letter Words (10 found)
   4-Letter Words (6 found)
   5-Letter Words (1 found)