BEATBOXING is a playable word

beatbox Scrabble® Dictionary

verb
beatboxed, beatboxing, beatboxes
to sing to the rhythm of rap music
256 Playable Words can be made from "BEATBOXING"
   2-Letter Words (30 found)
   3-Letter Words (79 found)
   7-Letter Words (7 found)
   10-Letter Words (1 found)