ISOMER is a playable word

isomer Scrabble® Dictionary

noun
pl. isomers
a type of chemical compound
(adjective) isomeric
79 Playable Words can be made from "ISOMER"
   2-Letter Words (15 found)
   3-Letter Words (27 found)
   5-Letter Words (9 found)
   6-Letter Words (3 found)