ub is a valid English word

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

Meanings

Proper noun

Initialism of: Ulaanbaatar.
(historical) Initialism of: Urząd Bezpieczeństwa, a branch of the secret police in communist Poland.

Noun (COUNTABLE AND UNCOUNTABLE)

(programming C C++) Initialism of: undefined behavior, behavior not defined in the language standard.

ub is not a Scrabble valid word

ub

• International English (Sowpods) - The word is not valid in Scrabble ✘
• US English (TWL06) - The word is not valid in Scrabble ✘
• 00 points

ub is not an iScramble, QuickWords valid word

ub

• The word is not valid in iScramble ✘
• The word is not valid in QuickWords ✘
• 00 points

Same letters words (Anagrams)

• BU

Same letters plus one

• ABU
• AUB
• BAU
• BDU
• BLU
• BRU
• BTU
• BUA
• BUB
• BUC
• BUD
• BUE
• BUF
• BUG
• BUH
• BUI
• BUJ
• BUK
• BUM
• BUN
• BUR
• BUS
• BUT
• BUY
• BUZ
• BYU
• CUB
• DBU
• DUB
• EBU
• FBU
• FUB
• GBU
• GUB
• HBU
• HUB
• IBU
• KUB
• MBU
• NUB
• OBU
• PUB
• QUB
• RUB
• SBU
• SUB
• TBU
• TUB
• UBC
• UBE
• UBI
• UBO
• UBS
• UCB
• UHB
• UMB
• UPB
• USB
• UVB
• UWB
• UXB
• VBU
• WBU
• WUB
• ZBU
• ZUB

Same letters minus one

• none