KNIGHT is a playable word

knight Scrabble® Dictionary

verb
knighted, knighting, knights
to make a knight (a medieval gentleman-soldier) of
30 Playable Words can be made from "KNIGHT"
   2-Letter Words (6 found)
   3-Letter Words (12 found)
   4-Letter Words (8 found)
   5-Letter Words (3 found)
   6-Letter Words (1 found)