This suffix denote pain, usually in a specified part of the body.
Mastalgia: Pain in the breast caused by congestion during lactation, or other causes.
Myalgia: Pain in a muscle or group of muscles.
Neuralgia: Intense, typically intermittent pain along the course of a nerve, especially in the head or face
Ostalgia: A pain associated with some abnormal condition in a bone.
Otalgia: Ear ache.