CHROMOS is a playable word

chromo Scrabble® Dictionary

noun
pl. chromos
a type of color picture
72 Playable Words can be made from "CHROMOS"
   2-Letter Words (9 found)
   3-Letter Words (26 found)
   5-Letter Words (9 found)
   6-Letter Words (3 found)
   7-Letter Words (1 found)