OOTHECA is a playable word

ootheca Scrabble® Dictionary

noun
pl. oothecae
an egg case of certain insects
(adjective) oothecal
79 Playable Words can be made from "OOTHECA"
   2-Letter Words (13 found)
   3-Letter Words (31 found)
   5-Letter Words (6 found)
   6-Letter Words (1 found)
   7-Letter Words (1 found)