UPSHIFT is a playable word

upshift Scrabble® Dictionary

verb
upshifted, upshifting, upshifts
to shift into a higher gear
71 Playable Words can be made from "UPSHIFT"
   2-Letter Words (12 found)
   3-Letter Words (26 found)
   5-Letter Words (4 found)
   7-Letter Words (1 found)