LOCULUS is a playable word

loculus Scrabble® Dictionary

noun
pl. loculi
a small, cell-like chamber
22 Playable Words can be made from "LOCULUS"
   2-Letter Words (4 found)
   3-Letter Words (6 found)
   4-Letter Words (6 found)
   5-Letter Words (4 found)
   6-Letter Words (1 found)
   7-Letter Words (1 found)