SIZING is a playable word

sizing Scrabble® Dictionary

noun
pl. sizings
a substance used as a glaze or filler for porous materials
20 Playable Words can be made from "SIZING"
   2-Letter Words (4 found)
   3-Letter Words (7 found)
   4-Letter Words (7 found)
   5-Letter Words (1 found)
   6-Letter Words (1 found)