PLEON is a playable word

pleon Scrabble® Dictionary

noun
pl. pleons
the abdomen of a crustacean
(adjective) pleonal, pleonic
29 Playable Words can be made from "PLEON"
   2-Letter Words (10 found)
   3-Letter Words (7 found)
   4-Letter Words (10 found)
   5-Letter Words (2 found)