ISOGONIC is a playable word

isogonic Scrabble® Dictionary

noun
pl. isogonics
isogone
77 Playable Words can be made from "ISOGONIC"
   2-Letter Words (10 found)
   3-Letter Words (22 found)
   5-Letter Words (13 found)
   6-Letter Words (10 found)
   8-Letter Words (1 found)