COLOBUS is a playable word

colobus Scrabble® Dictionary

noun
pl. colobuses or colobi
a large African monkey
50 Playable Words can be made from "COLOBUS"
   2-Letter Words (5 found)
   3-Letter Words (15 found)
   4-Letter Words (18 found)
   5-Letter Words (9 found)
   6-Letter Words (1 found)
   7-Letter Words (2 found)