160 entries under source topic. ×
| radicle(cause, origin) | |
| reason(noun, support, action, cause, start) | |
| rock bottom(expression, cause, origin) | |
| roots(cause, influence, connection, derivation) | |
| sanction(noun, support, action, base, beginning) | |
| security(noun, support, action, base, beginning) | |
| semen(noun, cause, beginning, stone) | |
| sperm(noun, cause, beginning, stone) | |
| spore(noun, cause, beginning, stone) | |
| start(noun, cause, base, beginning, stone) | |
| starting point(noun, expression, cause, start, base) | |
| stem(cause, origin) | |
| stock(cause, influence, connection, derivation) | |
| substratum(noun, support, action, cause, start) | |
| support(noun, action, point, base, beginning) | |
| theorem(noun, support, action, base, beginning) | |
| theory(noun, support, action, base, beginning) | |
| underpinning(noun, support, action, cause, start) | |
| warrant(noun, support, action, base, beginning) | |
| well(cause, influence, origin, derivation) |
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| APA | Smart Define. (2015). nucleus thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/nucleus/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "nucleus thesaurus" https://smartdefine.org/nucleus/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2015, nucleus thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/nucleus/thesaurus/synonyms>. |
| MLA | Smart Define. "nucleus thesaurus" 24 December 2015. Web. 22 September 2026. <https://smartdefine.org/nucleus/thesaurus/synonyms> |