COCOONER is a playable word

cocooner Scrabble® Dictionary

noun
pl. cocooners
one who retreats to the private world of the family
40 Playable Words can be made from "COCOONER"
   2-Letter Words (8 found)
   3-Letter Words (16 found)
   4-Letter Words (9 found)
   5-Letter Words (4 found)
   6-Letter Words (2 found)
   8-Letter Words (1 found)