PEEKABOO is a playable word

peekaboo Scrabble® Dictionary

noun
pl. peekaboos
a children's game
57 Playable Words can be made from "PEEKABOO"
   2-Letter Words (12 found)
   3-Letter Words (28 found)
   4-Letter Words (12 found)
   5-Letter Words (4 found)
   8-Letter Words (1 found)