SEXTUPLE is a playable word

sextuple Scrabble® Dictionary

verb
sextupled, sextupling, sextuples
to make six times as great
119 Playable Words can be made from "SEXTUPLE"
   2-Letter Words (10 found)
   3-Letter Words (30 found)
   6-Letter Words (8 found)
   7-Letter Words (1 found)
   8-Letter Words (1 found)