COCKBILLS is a playable word

cockbill Scrabble® Dictionary

verb
cockbilled, cockbilling, cockbills
to raise the yardarm on a ship
105 Playable Words can be made from "COCKBILLS"
   2-Letter Words (11 found)
   3-Letter Words (26 found)
   6-Letter Words (6 found)
   8-Letter Words (1 found)
   9-Letter Words (1 found)