MYELINS is a playable word

myelin Scrabble® Dictionary

noun
pl. myelins
a fatty substance that encases certain nerve fibers
(adjective) myelinic
100 Playable Words can be made from "MYELINS"
   2-Letter Words (13 found)
   3-Letter Words (28 found)
   6-Letter Words (7 found)
   7-Letter Words (1 found)