COCKER is a playable word

cocker Scrabble® Dictionary

verb
cockered, cockering, cockers
to pamper
27 Playable Words can be made from "COCKER"
   2-Letter Words (5 found)
   3-Letter Words (9 found)
   4-Letter Words (9 found)
   5-Letter Words (2 found)
   6-Letter Words (2 found)