88 entries under noun topic. ×

28
disease(health, biology, body, disorder)
25
infection(health, biology, body, disorder)
19
taint(disease, infection, epidemic, contagion)
18
contagion(health, help, disease, substance)
18
germ(health, biology, body, thing)
16
poison(help, disease, substance, taint)
16
illness(health, disorder, disease, organism)
15
bug(biology, body, disorder, bother)
14
toxin(help, disease, substance, poison)
13
contamination(disease, infection, epidemic, contagion)
13
pollution(disease, taint, contamination, infection)
12
venom(help, disease, substance, poison)
11
microbe(health, biology, body, thing)
11
ailment(health, disorder, disease, collapse)
11
bane(help, bother, disease, substance)
11
pest(person, thing, informal, bane)
10
bacillus(health, biology, body, thing)
10
microorganism(health, illness, organism, sickness)
9
bacterium(biology, animal, creature, body)
8
bacteria(health, creature, disease, organism)
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APASmart Define. (2015). virus thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/virus/thesaurus/synonyms
ChicagoSmart Define. 2015. "virus thesaurus" https://smartdefine.org/virus/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, virus thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/virus/thesaurus/synonyms>.
MLASmart Define. "virus thesaurus" 20 November 2015. Web. 27 September 2026. <https://smartdefine.org/virus/thesaurus/synonyms>