Addition and Codicil

Addition noun - A smaller structure added to a main building.

Codicil is a synonym for addition in addendum topic. In some cases you can use "Codicil" instead a noun "Addition".

Nearby Words: additional, adding, additive, additionally

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

Addition is a synonym for codicil in addendum topic. You can use "Addition" instead a noun "Codicil", if it concerns topics such as added part to document.