Health insurance, also known as medical insurance, is a type of coverage that pays for medical expenses incurred by the insured individual. There are multiple synonyms for health insurance, such as medical coverage, healthcare coverage, medical protection, medical security, and medical assurance. The term medical coverage emphasizes the protection against medical expenses. Healthcare coverage is a broader term that refers to medical care and wellness services beyond medical expenses. Medical protection and medical security emphasize the insurance being a safeguard against possible medical needs. Medical assurance is used to emphasize the feeling of certainty the insurance provides over healthcare needs. Regardless of the synonym used, health insurance provides peace of mind and protection against unexpected medical expenses.