fallout is a valid English word

Scrabble validity: valid ( international - Sowpods, US - Twl06 )
iScramble validity: valid
QuickWords validity: valid

Meanings

Noun (COUNTABLE AND UNCOUNTABLE)

The event of small airborne particles falling to the ground in significant quantities as a result of major industrial activity, volcano eruption, sandstorm, nuclear explosion, etc.
The particles themselves.
• On 26 April 1986 the reactor number four at the Chernobyl Nuclear Power Plant located in the Soviet Union near Pripyat in Ukraine exploded. Further explosions and the resulting fire sent a plume of highly radioactive fallout into the atmosphere and over an extensive geographical area.
A negative side effect; an undesirable or unexpected consequence.
• Synonym: blowback, repercussions

fallout is a Scrabble valid word

fallout

• International English (Sowpods) - The word is valid in Scrabble ✔
• US English (TWL06) - The word is valid in Scrabble ✔
• 00 points

fallout is an iScramble, QuickWords valid word

fallout

• The word is valid in iScramble ✔
• The word is valid in QuickWords ✔
• 00 points

Same letters words (Anagrams)

• OUTFALL

Same letters plus one

• AUTOFILL
• FALLOUTS
• LOATHFUL
• OUTFALLS

Same letters minus one

• FALLOT
• LOTFUL
• TOFALL