94 entries under noun topic. ×

2
birth(cause, beginning, source, derivation)
2
blastula
2
commencement(cause, beginning, source, derivation)
2
creation(cause, beginning, source, derivation)
2
derivation(cause, influence, connection, beginning)
2
emergence(cause, beginning, source, derivation)
2
genesis(cause, beginning, source, derivation)
2
inauguration(cause, beginning, source, derivation)
2
inception(cause, influence, beginning, source)
2
introduction(cause, beginning, source, derivation)
2
nativity(cause, beginning, source, derivation)
2
spring(cause, beginning, source, derivation)
2
stem(cause, beginning)
2
stock(cause, influence, connection, source)
1
babyhood
1
basis(cause, influence, beginning, heart)
1
brute
1
core(beginning, stone, heart, source)
1
cradle
1
earliness
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APASmart Define. (2015). embryo thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/embryo/thesaurus/synonyms
ChicagoSmart Define. 2015. "embryo thesaurus" https://smartdefine.org/embryo/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, embryo thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/embryo/thesaurus/synonyms>.
MLASmart Define. "embryo thesaurus" 10 April 2015. Web. 28 September 2026. <https://smartdefine.org/embryo/thesaurus/synonyms>