ailment

noun ailment

• malady — any disorder or disease of the body, especially one that is chronic or deepseated.
• illness — unhealthy condition; poor health; indisposition; sickness.
• syndrome — Pathology, Psychiatry. a group of symptoms that together are characteristic of a specific disorder, disease, or the like.
• disease — a disordered or incorrectly functioning organ, part, structure, or system of the body resulting from the effect of genetic or developmental errors, infection, poisons, nutritional deficiency or imbalance, toxicity, or unfavorable environmental factors; illness; sickness; ailment.
• ache — If you ache or a part of your body aches, you feel a steady, fairly strong pain.