billion is a valid English word

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

Meanings

Numeral

(US modern British & Australian short scale) a thousand million ([https://en.wikipedia.org/wiki/Long_and_short_scales#Comparison logic: 1,000 × 1,0002]): 1 followed by nine zeros, 10⁹; a milliard
(dated British & Australian long scale) A million million ([https://en.wikipedia.org/wiki/Long_and_short_scales#Comparison logic: 1,000,0002]): a 1 followed by twelve zeros; 10¹²
(colloquial hyperbole) An unspecified very large number.
• There were billions of people at the concert.

billion is a Scrabble valid word

billion

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

billion is an iScramble, QuickWords valid word

billion

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

Same letters words (Anagrams)

• none

Same letters plus one

• BILLIONS

Same letters minus one

• BILLIO
• BILLON
• BOLLIN
• LOLBIN