addendum

Meanings

Plural: addenda, addendums

Noun

textual matter that is added onto a publication; usually at the end
Something to be added; especially text added as an appendix or supplement to a document.
A postscript.
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.

Origin / Etymology

From the gerundive of Latin addere (“to add”).

Synonyms

addend, postscript, supplement

Scrabble Score: 13

addendum is a valid Scrabble (US) TWL word
addendum is a valid Scrabble Word in Merriam-Webster MW Dictionary
addendum is a valid Scrabble Word in International Collins CSW Dictionary

Words With Friends Score: 16

addendum is a valid Words With Friends word