6
diseases(noun, diseases)
4
ailments(noun, diseases)
4
maladies(noun, diseases, disappointments, letdowns, affronts)
4
sickness(noun, weak, disease, ill, sick)
4
sicknesses(noun, diseases, disappointments, letdowns, affronts)
3
illness(noun, weak, disease, ill, sick)
3
ailment(noun, weak, disease, ill, sick)
3
malady(noun, weak, disease, ill, sick)
2
affection(noun, weak, disease, ill, sick)
2
affliction(noun, weak, disease, ill, sick)
2
afflictions
2
attacks(noun, diseases)
2
breakdowns(noun, diseases)
2
bugs(noun, diseases)
2
collapses(noun, diseases)
2
complaint(noun, weak, disease, ill, sick)
2
complaints(noun, diseases, disappointments, letdowns, affronts)
2
conditions(noun, diseases)
2
debilities(noun, diseases)
2
disease
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APASmart Define. (2015). illnesses thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/illnesses/thesaurus/synonyms
ChicagoSmart Define. 2015. "illnesses thesaurus" https://smartdefine.org/illnesses/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, illnesses thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/illnesses/thesaurus/synonyms>.
MLASmart Define. "illnesses thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/illnesses/thesaurus/synonyms>