7
ailments
7
illnesses(noun, plagues, infections)
6
disease(noun, disorder, sick, sickness)
5
maladies
5
viruses
4
affections
4
afflictions
4
bugs
4
complaints
4
infirmities
3
ailment(noun, disorder, sick, sickness)
3
complications
3
conditions
3
debilities
3
disorders
3
illness(noun, disorder, sick, sickness)
3
infections(noun, taints, plagues, illnesses, epidemics)
3
pestilences(noun, plagues, infections, epidemics)
3
troubles
2
affection(noun, disorder, sick, sickness)
11 years ago|2.4k views|share |citing 
APASmart Define. (2015). diseases thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/diseases/thesaurus/synonyms
ChicagoSmart Define. 2015. "diseases thesaurus" https://smartdefine.org/diseases/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, diseases thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/diseases/thesaurus/synonyms>.
MLASmart Define. "diseases thesaurus" 14 April 2015. Web. 21 September 2026. <https://smartdefine.org/diseases/thesaurus/synonyms>