addendum is a valid English word

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

Meanings

Noun (COUNTABLE)

Something to be added; especially text added as an appendix or supplement to a document.
• Synonym: addend
A postscript.
(engineering) The height by which the tooth of a gear projects beyond (outside for external, or inside for internal) the standard pitch circle or pitch line.

addendum is a Scrabble valid word

addendum

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

addendum is an iScramble, QuickWords valid word

addendum

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

Same letters words (Anagrams)

• none

Same letters plus one

• ADDENDUMS
• DEMAUNDED

Same letters minus one

• DAMNDED
• DEMAUND
• MAUNDED
• UNADDED