Augmentation and Addendum

Augmentation

Augmentation noun - Something added (as by growth).
Usage example: augmentations to the benefits package over the years have resulted in a total of 12 paid holidays for employees

Addendum is a synonym for augmentation in addition topic. In some cases you can use "Addendum" instead a noun "Augmentation", when it comes to topics like annexation. popular alternative

Addendum

Addendum noun - Something added (as by growth).
Usage example: with each new addendum the list of demands simply got more absurd

Augmentation is a synonym for addendum in addition topic. You can use "Augmentation" instead a noun "Addendum", if it concerns topics such as annexation, added. popular alternative
Cite this Source
Addendum and Augmentation. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/augmentation/addendum
Augmentation & Addendum. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/augmentation/addendum>.
Addendum or Augmentation. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/augmentation/addendum.
Google Ngram Viewer shows how "augmentation" and "addendum" have occurred on timeline