underdo is a valid English word

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

Meanings

Verb

(transitive obsolete) To put under, subject.
(transitive) To do something insufficiently; especially to undercook.
(intransitive) To act below one's abilities; do less than one can.

underdo is a Scrabble valid word

underdo

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

underdo is not an iScramble, QuickWords valid word

underdo

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

Same letters words (Anagrams)

• REDOUND
• ROUNDED

Same letters plus one

• GROUNDED
• NEODRUID
• REDOUNDS
• RUDDERON
• UNADORED
• UNCORDED
• UNDERDOG
• UNDERDOT
• UNDERGOD
• UNERODED
• UNFORDED
• UNLORDED
• UNROADED
• UNRODDED
• UNWORDED

Same letters minus one

• DENDRO
• DONDER
• DRONED
• DUNDER
• DURDEN
• DURNED
• ENDURO
• NODDER
• NUDDER
• RODDEN
• ROUNDE
• ROUNED
• UNDOED
• UNDOER