KLYSTRONS is a playable word

klystron Scrabble® Dictionary

noun
pl. klystrons
a type of electron tube
104 Playable Words can be made from "KLYSTRONS"
   2-Letter Words (10 found)
   3-Letter Words (26 found)
   6-Letter Words (6 found)
   8-Letter Words (1 found)
   9-Letter Words (1 found)