MICROS is a playable word

micro Scrabble® Dictionary

noun
pl. micros
a very small computer
52 Playable Words can be made from "MICROS"
   2-Letter Words (9 found)
   3-Letter Words (23 found)
   4-Letter Words (14 found)
   5-Letter Words (5 found)
   6-Letter Words (1 found)