TACTIC is a playable word

tactic Scrabble® Dictionary

noun
pl. tactics
a maneuver for gaining an objective
(adjective) tactical
18 Playable Words can be made from "TACTIC"
   2-Letter Words (5 found)
   3-Letter Words (7 found)
   4-Letter Words (1 found)
   5-Letter Words (3 found)
   6-Letter Words (2 found)