UPPROPS is a playable word

upprop Scrabble® Dictionary

verb
uppropped, uppropping, upprops
to prop up
40 Playable Words can be made from "UPPROPS"
   2-Letter Words (7 found)
   3-Letter Words (15 found)
   4-Letter Words (13 found)
   5-Letter Words (3 found)
   6-Letter Words (1 found)
   7-Letter Words (1 found)