NODULE is a playable word

nodule Scrabble® Dictionary

noun
pl. nodules
a small node
(adjective) nodular, nodulose, nodulous
61 Playable Words can be made from "NODULE"
   2-Letter Words (13 found)
   3-Letter Words (22 found)
   5-Letter Words (3 found)
   6-Letter Words (2 found)