64 entries under cause topic. ×
| bud | |
| crux(source, origin) | |
| egg | |
| embryo | |
| footing(quick, source, origin, stem) | |
| fountain(source, origin) | |
| fountainhead(quick, source, origin, stem) | |
| gemmule | |
| heart(source, root, origin, mainspring) | |
| motive(source, origin) | |
| nub(source, origin) | |
| occasion(source, origin) | |
| pith(source, origin) | |
| reason(source, origin) | |
| rudiment | |
| semen | |
| sperm | |
| starting place(expression, source, origin) | |
| stirps | |
| stuff(source, origin) |
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| APA | Smart Define. (2015). radix thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/radix/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "radix thesaurus" https://smartdefine.org/radix/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2015, radix thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/radix/thesaurus/synonyms>. |
| MLA | Smart Define. "radix thesaurus" 13 April 2015. Web. 25 September 2026. <https://smartdefine.org/radix/thesaurus/synonyms> |