ISOHELS is a playable word

isohel Scrabble® Dictionary

noun
pl. isohels
a line on a map connecting points receiving equal sunshine
98 Playable Words can be made from "ISOHELS"
   2-Letter Words (16 found)
   3-Letter Words (22 found)
   6-Letter Words (8 found)
   7-Letter Words (1 found)