CELLOS is a playable word

cello Scrabble® Dictionary

noun
pl. cellos or celli
a stringed musical instrument
37 Playable Words can be made from "CELLOS"
   2-Letter Words (6 found)
   3-Letter Words (13 found)
   4-Letter Words (11 found)
   5-Letter Words (6 found)
   6-Letter Words (1 found)