PREPREG is a playable word

prepreg Scrabble® Dictionary

noun
pl. prepregs
reinforcing material already impregnated with a synthetic resin
26 Playable Words can be made from "PREPREG"
   2-Letter Words (3 found)
   3-Letter Words (12 found)
   4-Letter Words (9 found)
   5-Letter Words (1 found)
   7-Letter Words (1 found)