In English, "back pain" and "backache" are commonly used to refer to pain in the back, and "low back pain" or "lower back pain" can be used to specifically refer to pain in the lower back. "Neck pain" and "neckache" are commonly used to refer to pain in the neck. "Shoulder pain" is used to refer to pain in the shoulder. "Hip pain" is used to refer to pain in the hip. "Knee pain" is used to refer to pain in the knee. "Ankle pain" is used to refer to pain in the ankle.