TRIPLOID is a playable word

triploid Scrabble® Dictionary

noun
pl. triploids
a cell having a chromosome number that is three times the basic number
94 Playable Words can be made from "TRIPLOID"
   2-Letter Words (13 found)
   3-Letter Words (29 found)
   5-Letter Words (9 found)
   6-Letter Words (3 found)
   7-Letter Words (1 found)
   8-Letter Words (1 found)