INERTIAE is a playable word

inertia Scrabble® Dictionary

noun
pl. inertias or inertiae
the tendency of a body to resist acceleration
(adjective) inertial
128 Playable Words can be made from "INERTIAE"
   2-Letter Words (16 found)
   6-Letter Words (10 found)
   7-Letter Words (5 found)
   8-Letter Words (1 found)