What does the suffix "-itis" mean and what are common examples?

The suffix itis means inflammation and is one of the most frequently used suffixes in medical terminology. Common examples include arthritis meaning inflammation of a joint, bronchitis meaning inflammation of the bronchial tubes, dermatitis meaning inflammation of the skin, gastritis meaning inflammation of the stomach lining, hepatitis meaning inflammation of the liver, meningitis meaning inflammation of the membranes covering the brain and spinal cord, and appendicitis meaning inflammation of the appendix.