UPBOWS is a playable word

upbow Scrabble® Dictionary

noun
pl. upbows
a type of stroke in playing a bowed instrument
37 Playable Words can be made from "UPBOWS"
   2-Letter Words (9 found)
   3-Letter Words (18 found)
   4-Letter Words (8 found)
   5-Letter Words (1 found)
   6-Letter Words (1 found)