THECAL is a playable word

theca Scrabble® Dictionary

noun
pl. thecae
a protective anatomical covering
(adjective) thecal, thecate
77 Playable Words can be made from "THECAL"
   2-Letter Words (12 found)
   3-Letter Words (23 found)
   5-Letter Words (11 found)
   6-Letter Words (2 found)