Addendum and X

Addendum

Addendum noun - A part added at the end of a book or periodical.

X and addendum are semantically related. In some cases you can use "X" instead a noun "Addendum".

X

X noun - The cardinal number that is the sum of nine and one; the base of the decimal system.
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Synonyms for X

Addendum and x are semantically related. Sometimes you can use "Addendum" instead a noun "X".
Cite this Source
X and Addendum. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/addendum/x
Addendum & X. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/addendum/x>.
X or Addendum. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/addendum/x.
Google Ngram Viewer shows how "addendum" and "x" have occurred on timeline