UPPERS is a playable word

upper Scrabble® Dictionary

noun
pl. uppers
the part of a boot or shoe above the sole
48 Playable Words can be made from "UPPERS"
   2-Letter Words (6 found)
   3-Letter Words (16 found)
   4-Letter Words (17 found)
   5-Letter Words (7 found)
   6-Letter Words (2 found)