APOAPSIS is a playable word

apoapsis Scrabble® Dictionary

noun
pl. apoapsides or apoapses
the high point in an orbit

70 Playable Words can be made from "APOAPSIS"

   2-Letter Words (12 found)

   3-Letter Words (23 found)

   5-Letter Words (12 found)

   6-Letter Words (1 found)

   8-Letter Words (1 found)