add_on
1. [ verb ] make an addition
Examples:

"Let's add on to this"

Related terms: add addition
2. [ verb ] add to the very end
Synonyms: affix append supplement
Examples:

"He appended a glossary to his novel where he used an invented language"

Related terms: attach annex accessory attachment appendage
Similar spelling:   add-on
  Aden
  Adan
  Adamo
  Adney
  Adina
  Adena
  adana