94 entries under noun topic. ×

12
germ(cause, start, influence, connection)
12
nucleus(cause, start, influence, base)
10
bud(cause, start, plant, beginning)
8
seed(cause, start, influence, base)
7
egg(cause, influence, base, connection)
6
beginning(cause, base, beginning, stone)
6
conceptus
6
rudiment(cause, beginning, stone, source)
5
fertilized egg(expression, idiom)
5
fetus(beginning, young, rudiment)
5
origin(cause, beginning, source, basis)
5
sperm(cause, beginning, stone, source)
4
incipient(adjective, fetus)
3
spark(start, beginning, shoot, stone)
3
cell(beginning, stone, organism, source)
3
conception(cause, beginning, stone, heart)
3
dawn(cause, beginning, source, derivation)
3
kernel(start, beginning, stone, heart)
3
source(cause, influence, base, beginning)
3
start(cause, beginning, stone, source)
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APASmart Define. (2015). embryo thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/embryo/thesaurus/synonyms
ChicagoSmart Define. 2015. "embryo thesaurus" https://smartdefine.org/embryo/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, embryo thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/embryo/thesaurus/synonyms>.
MLASmart Define. "embryo thesaurus" 10 April 2015. Web. 27 September 2026. <https://smartdefine.org/embryo/thesaurus/synonyms>