133 entries under core topic. ×
| nub(noun, adjective, quality, body, cause) | |
| radicle(noun, cause, base, source) | |
| soul(noun, quality, cause, character, spirit) | |
| hub(noun, support, place, start, point) | |
| occasion(noun, cause, reason, object, base) | |
| quintessence(noun, quality, cause, character, spirit) | |
| rhizome(noun, cause, base, source) | |
| substratum(noun, support, action, cause, reason) | |
| underpinning(noun, organization, support, action, cause) | |
| element(noun, feature, drop, part, quality) | |
| essentiality(noun, quality, cause, character, spirit) | |
| focal point(noun, expression, support, place, point) | |
| fundamental(noun, adjective, support, action, drop) | |
| mainspring(noun, cause, reason, idea, object) | |
| polestar(noun, place, emotion, quick, heart) | |
| resolution(noun, answer, emotion, means, mood) | |
| rock bottom(noun, expression, cause, base) | |
| bottom line(noun, expression, support, body, spirit) | |
| meat(noun, quality, body, character, spirit) | |
| pluck(noun, verb, emotion, mood, temperament) |
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| APA | Smart Define. (2016). root thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/root/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "root thesaurus" https://smartdefine.org/root/thesaurus/synonyms (accessed September 20, 2026). |
| Harvard | Smart Define 2016, root thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/root/thesaurus/synonyms>. |
| MLA | Smart Define. "root thesaurus" 2 March 2016. Web. 20 September 2026. <https://smartdefine.org/root/thesaurus/synonyms> |