OCTAGON is a playable word

octagon Scrabble® Dictionary

noun
pl. octagons
an eight-sided polygon
63 Playable Words can be made from "OCTAGON"
   2-Letter Words (9 found)
   3-Letter Words (28 found)
   4-Letter Words (16 found)
   5-Letter Words (9 found)
   7-Letter Words (1 found)