106 entries under extra topic. ×
| accompaniment(noun, rest, match, balance) | |
| appurtenance(noun, part, extension, accessory) | |
| expansion(noun, advance, increase, raise, delay) | |
| accrual(noun, advance, increase, raise, rise) | |
| reinforcement(noun, advance, increase, rise, progress) | |
| add-on(noun, increase, attachment, decoration) | |
| complement(noun, increase, match, foil) | |
| insert(noun, increase, supplement, additive) | |
| additive(noun, increase, enlargement, ingredient) | |
| aggrandizement(noun, advance, increase, raise, rise) | |
| auxiliary(noun, adjective, part, extension) | |
| bonus(noun, advantage, enlargement, plus) | |
| continuation(noun, increase, delay, development, spread) | |
| fixture(noun, part, extension, accessory) | |
| enhancement(noun, increase, rise, rest, match) | |
| frill(noun, attachment, decoration, supplement) | |
| hike(noun, advance, increase, raise, rise) | |
| profit(noun, advance, increase, raise, rise) | |
| codicil(noun, part, increase, qualification) | |
| commission(noun, advantage, enlargement, plus) |
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| APA | Smart Define. (2015). addition thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/addition/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "addition thesaurus" https://smartdefine.org/addition/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2015, addition thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/addition/thesaurus/synonyms>. |
| MLA | Smart Define. "addition thesaurus" 22 December 2015. Web. 23 September 2026. <https://smartdefine.org/addition/thesaurus/synonyms> |