Synonyms of flu

1 Syllable
pain, gas
2 Syllables
unhealth, ailment, illness, nausea, heartburn
3 Syllables
unwellness, maladies, dyspepsy, malady, unsoundness, pathosis, sickliness, illnesses, disease, infections, puniness, dyspepsia, weakliness, infection
4 Syllables
diseasedness, unhealthiness, infirmity, infirmities, contagiousness, flatulence, indigestion, acidosis
5 Syllables
insanitation
6 Syllables
insubstantiality, unsubstantiality
7 Syllables
communicability