UPSIZES is a playable word

upsize Scrabble® Dictionary

verb
upsized, upsizing, upsizes
to increase in size
48 Playable Words can be made from "UPSIZES"
   2-Letter Words (7 found)
   3-Letter Words (17 found)
   4-Letter Words (15 found)
   5-Letter Words (7 found)
   6-Letter Words (1 found)
   7-Letter Words (1 found)