Yes, radons is a Scrabble word!

...and is worth 7 points in Scrabble, and 8 points in Words with Friends

radons

Noun

1. A radioactive gaseous element formed by the disintegration of radium; the heaviest of the inert gasses; occurs naturally (especially in areas over granite) and is considered a hazard to health

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

6 Letter Words

adorns
andros

5 Letter Words

adorn
andro
arson
darns
donas
dorsa
nards
radon
rands
roads
roans
sarod
sonar

4 Letter Words

ados
ands
dans
darn
dona
dons
dors
naos
nard
nods
oars
odas
orad
osar
rads
rand
road
roan
rods
sand
sard
soar
soda
sora
sord
sorn

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2 Anagrams of Radons

adorns
andros

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

C:candorscardonsdacronsB:robandsG:dragonsI:inroadsordainssadironH:hadronsJ:jordansM:randomsrodsmanL:ladronslardonsP:pardonsW:onwards