The best replacement for sickness is illness.

The best alternatives to sickness are rated as following:
★★★★★  illness
★★★★  disease
★★★  stomach flu
★★★  food poisoning
★★  flu
★★  stomach virus
★★  allergies
★  in health
★  nausea
★  vertigo
★  hyperemesis gravidarum
★  arthus reaction
★  bends
★  hangover
★  wellness
★  acid reflux
★  regular nausea
  stomach bug
  erythema multiforme
  car sickness
  decompression illness
  night sickness
  baby gender
  sea sickness
  virus
  upset stomach
  african trypanosomiasis
  benign postural vertigo

Your alternative for sickness is not listed? Suggest!
Speaking about sickness, one probably shouldn't forget about pregnancy.

Other search terms related to sickness and their ratings are:
★★★★★ pregnancy
★★ diarrhea
★★ twins
★ being pregnant
★ second pregnancy
★ dizziness
diarrhoea
nausea
You have in mind a companion for sickness and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of sickness in all years. Click on graph for more.
sickness
illness
disease