PYGIDIUM is a playable word

pygidium Scrabble® Dictionary

noun
pl. pygidia
the posterior region of certain invertebrates
(adjective) pygidial
43 Playable Words can be made from "PYGIDIUM"
   2-Letter Words (8 found)
   3-Letter Words (24 found)
   4-Letter Words (6 found)
   5-Letter Words (4 found)
   8-Letter Words (1 found)