67 entries under source topic. ×
| alpha(noun, cause, start, top, beginning) | |
| day one(noun, expression, cause, start, top) | |
| determinant(cause, derivation) | |
| egg(cause, beginning, derivation) | |
| embryo(noun, cause, beginning, derivation) | |
| roots(noun, cause, line, family) | |
| square one(noun, expression, cause, start, top) | |
| basis(cause, top, opening, creation) | |
| connection(noun, company, place, cause, position) | |
| embarkation(noun, cause, beginning, opening) | |
| foundation(noun, cause, start, beginning, opening) | |
| influence(noun, company, place, cause, position) | |
| outbreak(cause, start, beginning, origin) | |
| well(noun, verb, release, cause, start) | |
| agent(cause, derivation) | |
| ancestor(cause, derivation, background, ancestry) | |
| antecedent(cause, derivation, background, ancestry) | |
| author(cause, derivation) | |
| base(noun, cause, beginning, foundation) | |
| blast off(expression, cause, beginning, origin) |
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| APA | Smart Define. (2016). birth thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/birth/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "birth thesaurus" https://smartdefine.org/birth/thesaurus/synonyms (accessed September 21, 2026). |
| Harvard | Smart Define 2016, birth thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/birth/thesaurus/synonyms>. |
| MLA | Smart Define. "birth thesaurus" 2 March 2016. Web. 21 September 2026. <https://smartdefine.org/birth/thesaurus/synonyms> |