WATERBUSSES is a playable word

waterbus Scrabble® Dictionary

noun
pl. waterbuses or waterbusses
a large motorboat for carrying passengers
553 Playable Words can be made from "WATERBUSSES"
   2-Letter Words (18 found)
   3-Letter Words (79 found)
   10-Letter Words (1 found)
   11-Letter Words (1 found)