| sequel(noun, increase, extra, addition, additive) | |
| augmentation(noun, increase, delay, development, spread) | |
| cecal appendage(noun, expression, idiom) | |
| afterthought(noun, addition, supplement) | |
| auxiliary(noun, adjective, addition, attachment, decoration) | |
| enlargement(noun, increase, delay, development, extra) | |
| extra(noun, adjective, increase, addition, attachment) | |
| increase(noun, delay, development, spread, extra) | |
| table(noun, document, diagram) | |
| vermiform process(noun, expression, idiom) | |
| accession(noun, extra, supplement, appendage, add-on) | |
| accompaniment(noun, addition, decoration, accompaniment, fixture) | |
| adornment(noun, addition, decoration, accompaniment, fixture) | |
| annexe | |
| back matter(noun, document) | |
| cecum | |
| colophon | |
| companion(noun, accompaniment) | |
| conclusion(noun, end, finale, coda, finial) | |
| duodenum |
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| APA | Smart Define. (2015). appendix thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/appendix/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "appendix thesaurus" https://smartdefine.org/appendix/thesaurus/synonyms (accessed September 20, 2026). |
| Harvard | Smart Define 2015, appendix thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/appendix/thesaurus/synonyms>. |
| MLA | Smart Define. "appendix thesaurus" 10 April 2015. Web. 20 September 2026. <https://smartdefine.org/appendix/thesaurus/synonyms> |