RUBBYDUB is a playable word

rubbydub Scrabble® Dictionary

noun
pl. rubbydubs
a rubby
19 Playable Words can be made from "RUBBYDUB"
   2-Letter Words (1 found)
   3-Letter Words (10 found)
   4-Letter Words (6 found)
   5-Letter Words (1 found)
   8-Letter Words (1 found)