UPTHREW is a playable word

upthrow Scrabble® Dictionary

verb
upthrew, upthrown, upthrowing, upthrows
to throw upward
55 Playable Words can be made from "UPTHREW"
   2-Letter Words (12 found)
   3-Letter Words (25 found)
   4-Letter Words (13 found)
   5-Letter Words (3 found)
   6-Letter Words (1 found)
   7-Letter Words (1 found)