| addition(noun, increase, delay, development, spread) |
| appendage(noun, end, increase, delay, development) |
| addendum(noun, increase, note, delay, development) |
| adjunct(noun, help, increase, delay, development) |
| supplement(noun, increase, delay, development, spread) |
| codicil(noun, part, increase, extra, addition) |
| extension(noun, increase, spread, extra, addition) |
| postscript(noun, end, increase, note, extra) |
| suffix(noun, sequel, add-on, affix) |
| accessory(noun, adjective, part, extra, addition) |
| appurtenance(noun, addition, document, accessory, attachment) |
| affix(noun, addition, extension, add-on, addendum) |
| attachment(noun, extra, addition, extension, document) |
| vermiform appendix(noun, expression, idiom) |
| epilogue(noun, addition, supplement, sequel, afterthought) |
| annex(noun, increase, delay, development, spread) |
| rider(noun, increase, extra, addition, document) |
| tag(sequel, add-on) |
| continuation(noun, increase, delay, development, spread) |
| index(noun, plan, list, document, summary) |