5
kernel(noun, quality, start, character, spirit)
5
spark(noun, start, beginning, shoot, stone)
4
animalcule(noun, microorganism)
4
basis(noun, quality, cause, start, character)
4
microspore(noun, microorganism)
4
ovum(noun, beginning, stone, source, nut)
4
semen(noun, cause, beginning, stone, source)
4
spore(noun, beginning, stone, source, unit)
3
amoeba(noun, microorganism)
3
author(noun, cause, source, derivation)
3
base(noun, quality, cause, start, character)
3
disease(noun, illness, sickness, bug, microorganism)
3
dyad(noun, microorganism)
3
fetus
3
generator(noun, cause, influence, connection, source)
3
paramecium(noun, microorganism)
3
pathogen(noun, illness)
3
protozoa(noun, microorganism)
3
seedling
3
sprout(noun, beginning)
10 years ago|7.6k views|share |citing 
APASmart Define. (2016). germ thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/germ/thesaurus/synonyms
ChicagoSmart Define. 2016. "germ thesaurus" https://smartdefine.org/germ/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, germ thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/germ/thesaurus/synonyms>.
MLASmart Define. "germ thesaurus" 14 March 2016. Web. 22 September 2026. <https://smartdefine.org/germ/thesaurus/synonyms>