doc, noc, rbc, ro, rob, rock, rod, roe, roi, rom, ron, rot, rotc, row.
antiknock, bach, ballcock, bangkok, bloc, bloch, block, blok, bock, caulk, chalk, chock, clock, cock, crock, doc, dock, floc, flock, frock.
arco, orca, croc, cord, cero, core, corf, coir, rock, cork, corm, corn, crop, cors, orcs, rocs, torc, crow, cory.
Your query has returned 4 words, which include anagrams of roc as well as other shorter words that can be made using the letters included in roc.
The words in this list can be used in games such as Scrabble, Words with Friends and other similar games.