RUBBLE is a playable word

rubble Scrabble® Dictionary

verb
rubbled, rubbling, rubbles
to reduce to rubble (broken pieces)
31 Playable Words can be made from "RUBBLE"
   2-Letter Words (4 found)
   3-Letter Words (9 found)
   4-Letter Words (11 found)
   5-Letter Words (4 found)
   6-Letter Words (3 found)