SOAPBOX is a playable word

soapbox Scrabble® Dictionary

verb
soapboxed, soapboxing, soapboxes
to deliver an informal impassioned speech on the street
49 Playable Words can be made from "SOAPBOX"
   2-Letter Words (11 found)
   3-Letter Words (26 found)
   4-Letter Words (11 found)
   7-Letter Words (1 found)