Which suffix means "pain"?

The suffix that means "pain" is indeed -algia. This suffix originates from the Greek word "algos," which translates to pain or discomfort. It is commonly used in medical terminology to describe various conditions associated with pain in specific parts of the body. For example, neuralgia refers to pain in the nerves, while myalgia indicates muscle pain.

Other suffixes listed have different meanings: -itis, for instance, indicates inflammation, which is a response often associated with pain but describes a separate condition. -ectomy refers to the surgical removal of a specific part of the body, and -opathy denotes a disease or disorder. Understanding these distinctions in suffixes helps in accurately interpreting medical terms related to symptoms, conditions, and treatments.