3
start(noun, cause, beginning, stone, source)
3
undeveloped seed(development, stage, seed)
2
antenatal
2
birth(noun, cause, beginning, source, derivation)
2
blastula
2
commencement(noun, cause, beginning, source, derivation)
2
creation(noun, cause, beginning, source, derivation)
2
derivation(noun, cause, influence, connection, beginning)
2
embryotic
2
emergence(noun, cause, beginning, source, derivation)
2
genesis(noun, cause, beginning, source, derivation)
2
inauguration(noun, cause, beginning, source, derivation)
2
inception(noun, cause, influence, beginning, source)
2
introduction(noun, cause, beginning, source, derivation)
2
nativity(noun, cause, beginning, source, derivation)
2
root(cause, beginning, source, origin, derivation)
2
spring(noun, cause, beginning, source, derivation)
2
stem(noun, cause, beginning)
2
stock(noun, cause, influence, connection, source)
1
ancestor(cause, influence, connection, source, derivation)
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APASmart Define. (2015). embryo thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/embryo/thesaurus/synonyms
ChicagoSmart Define. 2015. "embryo thesaurus" https://smartdefine.org/embryo/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, embryo thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/embryo/thesaurus/synonyms>.
MLASmart Define. "embryo thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/embryo/thesaurus/synonyms>