ISOGONY is a playable word

isogony Scrabble® Dictionary

noun
pl. isogonies
an equivalent relative growth of parts
57 Playable Words can be made from "ISOGONY"
   2-Letter Words (12 found)
   3-Letter Words (18 found)
   4-Letter Words (16 found)
   5-Letter Words (8 found)
   6-Letter Words (2 found)
   7-Letter Words (1 found)