LIFEBUOY is a playable word

lifebuoy Scrabble® Dictionary

noun
pl. lifebuoys
a life preserver shaped like a ring
80 Playable Words can be made from "LIFEBUOY"
   2-Letter Words (16 found)
   3-Letter Words (32 found)
   5-Letter Words (6 found)
   6-Letter Words (2 found)
   7-Letter Words (1 found)
   8-Letter Words (1 found)