BOOING is a playable word

boo Scrabble® Dictionary

verb
booed, booing, boos
to cry “boo” to express disapproval or to startle
35 Playable Words can be made from "BOOING"
   2-Letter Words (8 found)
   3-Letter Words (16 found)
   4-Letter Words (7 found)
   5-Letter Words (3 found)
   6-Letter Words (1 found)