APOTHEMS is a playable word

apothem Scrabble® Dictionary

noun
pl. apothems
the perpendicular from the center to any side of a regular polygon
350 Playable Words can be made from "APOTHEMS"
   2-Letter Words (29 found)
   3-Letter Words (91 found)
   6-Letter Words (8 found)
   7-Letter Words (3 found)
   8-Letter Words (1 found)