UPBEAT is a playable word

upbeat Scrabble® Dictionary

noun
pl. upbeats
an unaccented beat in a musical measure
56 Playable Words can be made from "UPBEAT"
   2-Letter Words (12 found)
   3-Letter Words (25 found)
   4-Letter Words (15 found)
   5-Letter Words (3 found)
   6-Letter Words (1 found)