CORNCOB is a playable word

corncob Scrabble® Dictionary

noun
pl. corncobs
the woody core of an ear of corn
33 Playable Words can be made from "CORNCOB"
   2-Letter Words (4 found)
   3-Letter Words (15 found)
   4-Letter Words (9 found)
   5-Letter Words (3 found)
   6-Letter Words (1 found)
   7-Letter Words (1 found)