Final answer:
Arthralgia is the word that means pain to the joints. It refers to the pain felt in the joints, which is a common symptom of arthritis.
Step-by-step explanation:
The word that means pain to the joints is arthralgia. Arthritis is a common disorder of synovial joints that involves inflammation of the joint, resulting in significant joint pain, swelling, stiffness, and reduced joint mobility. Arthralgia specifically refers to the pain felt in the joints. There are more than 100 different forms of arthritis, and it may arise from aging, damage to the articular cartilage, autoimmune diseases, bacterial or viral infections, or unknown (probably genetic) causes.