PENTODE is a playable word

pentode Scrabble® Dictionary

noun
pl. pentodes
a type of electron tube
86 Playable Words can be made from "PENTODE"
   2-Letter Words (15 found)
   3-Letter Words (29 found)
   5-Letter Words (9 found)
   6-Letter Words (4 found)
   7-Letter Words (1 found)