The best replacement for illness is disease.

The best alternatives to illness are rated as following:
★★★★★  disease
★★★  sickness
★★  mental disorder
★★  disorder
★★  injury
★  disability
★  condition
★  insanity
★  illnesses
★  wellness
★  disease definition
★  mental retardation
★  mental health
  physical illness
  demonic possession
  disease difference
  personality disorder
  demon possession
  allergies
  mental illness
  food poisoning
  health
  malady
  major disease
  acute illness
  life insurance
  chronic illness
  mental disability
  ailment
  evil
  demons
  intellectual disability
  possession
  mental disease
  disease anthropology
  neurological disorder
  morbidity
  syndrome
  substance abuse
  chronic mental illness
  gun violence
  death penalty

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

Other search terms related to illness and their ratings are:
★★★★★ disease
★★★★ rash
★ life cover
★ cough
★ life insurance
hallucinations
low temperature
You have in mind a companion for illness and it is not yet here? Propose!



Google Trends

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