DIALLEL is a playable word

diallel Scrabble® Dictionary

adjective
pertaining to a genetic crossing
52 Playable Words can be made from "DIALLEL"
   2-Letter Words (11 found)
   3-Letter Words (16 found)
   4-Letter Words (18 found)
   5-Letter Words (4 found)
   6-Letter Words (2 found)
   7-Letter Words (1 found)