12
germ(noun, cause, start, influence, connection)
12
nucleus(noun, cause, start, influence, base)
10
bud(noun, cause, start, plant, beginning)
8
seed(noun, cause, start, influence, base)
7
egg(noun, cause, influence, base, connection)
6
beginning(noun, cause, base, beginning, stone)
6
conceptus
6
rudiment(noun, cause, beginning, stone, source)
5
fertilized egg(noun, expression, idiom)
5
fetus(noun, beginning, young, rudiment)
5
origin(noun, cause, beginning, source, basis)
5
sperm(noun, cause, beginning, stone, source)
4
incipient(noun, adjective, fetus)
3
spark(noun, start, beginning, shoot, stone)
3
cell(noun, beginning, stone, organism, source)
3
conception(noun, cause, beginning, stone, heart)
3
dawn(noun, cause, beginning, source, derivation)
3
embryonic(adjective, cause)
3
kernel(noun, start, beginning, stone, heart)
3
source(noun, cause, influence, base, beginning)
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APASmart Define. (2015). embryo thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/embryo/thesaurus/synonyms
ChicagoSmart Define. 2015. "embryo thesaurus" https://smartdefine.org/embryo/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, embryo thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/embryo/thesaurus/synonyms>.
MLASmart Define. "embryo thesaurus" 10 April 2015. Web. 20 September 2026. <https://smartdefine.org/embryo/thesaurus/synonyms>