Yes, triode is a Scrabble word!

...and is worth 7 points in Scrabble, and 7 points in Words with Friends

triode

Noun

1. A thermionic vacuum tube having three electrodes; fluctuations of the charge on the grid control the flow from cathode to anode which makes amplification possible

What Scrabble words can I make with the letters in triode?

6 Letter Words

dotier
editor
rioted

5 Letter Words

doter
droit
tired
tried
trode

4 Letter Words

diet
dire
dirt
dite
doer
doit
dore
dote
edit
ired
redo
ride
riot
rite
rode
rote
roti
tide
tied
tier
tire
tiro
toed
tore
tori
trio
trod

Search for more Scrabble words

3 Anagrams of Triode

dotier
editor
rioted

Words that can be created with an extra letter added to triode:

C:corditeB:deorbitorbitedI:dioriteH:theroidP:diopterdioptreperidotproteidS:editorssortiedsteroidstoriedtriodesU:outrideT:dottier