CLEIDOIC is a playable word

cleidoic Scrabble® Dictionary

adjective
enclosed in a shell
74 Playable Words can be made from "CLEIDOIC"
   2-Letter Words (10 found)
   3-Letter Words (19 found)
   5-Letter Words (11 found)
   6-Letter Words (4 found)
   7-Letter Words (3 found)
   8-Letter Words (1 found)