disallow is a valid English word

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

Meanings

Verb

To refuse to allow
• The prisoners were disallowed to contact with a lawyer.
To reject as invalid, untrue, or improper
• The goal was disallowed because the player was offside.
(UK law historical) to overrule a colonial legislation by the sovereign-in-privy council

disallow is a Scrabble valid word

d2i1s1a1l1l1o1w4

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

disallow is an iScramble, QuickWords valid word

d1i2s3a4l5l6o7w8

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

Same letters words (Anagrams)

• none

Same letters plus one

• DISALLOWS
• DISHALLOW

Same letters minus one

• DIALLOS
• DILLOWS
• DOWLAIS