OMPHALOI is a playable word

omphalos Scrabble® Dictionary

noun
pl. omphali or omphaloi
a central point
118 Playable Words can be made from "OMPHALOI"
   2-Letter Words (21 found)
   5-Letter Words (6 found)
   6-Letter Words (4 found)
   7-Letter Words (1 found)
   8-Letter Words (1 found)