RUBBABOOS is a playable word

rubbaboo Scrabble® Dictionary

noun
pl. rubbaboos
rubaboo
97 Playable Words can be made from "RUBBABOOS"
   2-Letter Words (9 found)
   3-Letter Words (31 found)
   5-Letter Words (12 found)
   6-Letter Words (3 found)
   7-Letter Words (1 found)
   8-Letter Words (2 found)
   9-Letter Words (1 found)