OCTUPLE is a playable word

octuple Scrabble® Dictionary

verb
octupled, octupling, octuples
to multiply by eight
84 Playable Words can be made from "OCTUPLE"
   2-Letter Words (11 found)
   3-Letter Words (31 found)
   5-Letter Words (10 found)
   6-Letter Words (2 found)
   7-Letter Words (2 found)