RUBABOOS is a playable word

rubaboo Scrabble® Dictionary

noun
pl. rubaboos
a type of soup
95 Playable Words can be made from "RUBABOOS"
   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 (1 found)