Illness:
Illness is used as the synonyms of the disease. It is used to refer specifically to the patient’s personal experience of his or her disease. In other words, illness describes a person who is poor in the state of health.
Disease:
A disease is an abnormal condition which affects part or all of an organism. The study of the disease is called pathology. It has specific symptoms and signs. It may be caused by the external factors.
Differences:
| Basis | Illness | Disease |
|---|---|---|
| Definition (www.oxforddictionaries.com) |
A disease or period of sickness affecting the body or mind. | A disorder of structure or function in a human, animal, or plant, especially one that produces specific symptoms or that affects a specific location and is not simply a direct result of physical injury |
| Synonyms | Collapse, sickness, virus, flu, disorder | Contamination, syndrome, defect, infection and condition |
| Antonyms | Order, health, healthiness, wellness and aid | Advantage, blessing, boon, strength and soundness |
| Types | Its types are:
|
There are four main types of disease:
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| Word origin | It was originated in between 1490-1500, ill + -ness. | It was originated from Middle English (in the sense ‘lack of ease; inconvenience’): from Old French desaise ‘lack of ease’ |
| Pronunciation | Eng (UK): / ˈɪlnəs/ Eng (US): /ˈilnəs / |
Eng (UK): /dɪˈziːz / Eng (US): /dəˈzēz / |
| Example in Sentence |
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