1
black lung
1
blackwater fever
1
brash
1
breakdown(noun, disorder, collapse, disturbance, defect)
1
bronchial pneumonia
1
bronchiectasis
1
bronchiolitis
1
bronchitis
1
bronchopneumonia
1
brucellosis
1
cachectic fever
1
canker(noun, disorder, growth, defect, sickness)
1
catarrh
1
cerebral rheumatism
1
chalicosis
1
chicken pox
1
chorea
1
chronic bronchitis
1
collapse(noun, disorder, disease, disturbance, defect)
1
collapsed lung
11 years ago|3.9k views|share |citing 
APASmart Define. (2015). flu thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/flu/thesaurus/synonyms
ChicagoSmart Define. 2015. "flu thesaurus" https://smartdefine.org/flu/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, flu thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/flu/thesaurus/synonyms>.
MLASmart Define. "flu thesaurus" 14 April 2015. Web. 21 September 2026. <https://smartdefine.org/flu/thesaurus/synonyms>