dud is a valid English word

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

Meanings

Noun (COUNTABLE)

(informal) A device or machine that is useless because it does not work properly or has failed to work, such as a bomb, or explosive projectile.
(informal) A failure of any kind.
(obsolete informal) Clothes, now always used in plural form duds.

dud is a Scrabble valid word

dud

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

dud is an iScramble, QuickWords valid word

dud

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

Same letters words (Anagrams)

• DDU
• UDD

Same letters plus one

• ADDU
• BUDD
• CUDD
• DADU
• DAUD
• DDUK
• DUAD
• DUDA
• DUDE
• DUDS
• DUND
• DZUD
• FUDD
• HUDD
• JUDD
• MUDD
• NUDD
• PUDD
• RUDD
• SUDD
• UDAD
• UDDI
• UDOD

Same letters minus one

• DD
• DU
• UD