MICRON is a playable word

micron Scrabble® Dictionary

noun
pl. microns or micra
a unit of length
43 Playable Words can be made from "MICRON"
   2-Letter Words (8 found)
   3-Letter Words (17 found)
   4-Letter Words (13 found)
   5-Letter Words (4 found)
   6-Letter Words (1 found)