105 entries under cause topic. ×
| inspiration(influence, source, derivation, ancestry) | |
| launch(source, derivation) | |
| mainspring(connection, source, derivation, ancestry) | |
| motive(source, derivation) | |
| occasion(source, derivation) | |
| opener(source, derivation) | |
| original | |
| origination(source, derivation) | |
| outbreak(source, derivation) | |
| primary | |
| primitive | |
| primordial | |
| producer(source, derivation) | |
| protogenal | |
| provenance(influence, source, derivation, ancestry) | |
| radical | |
| radicle | |
| radix radical(expression, idiom) | |
| rise(source, derivation) | |
| square one(expression, source, derivation) |
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| APA | Smart Define. (2015). embryo thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/embryo/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "embryo thesaurus" https://smartdefine.org/embryo/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2015, embryo thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/embryo/thesaurus/synonyms>. |
| MLA | Smart Define. "embryo thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/embryo/thesaurus/synonyms> |