The term IS SORE can be broken down into two crossword solutions, ACHES and HURTS. ACHES are a type of pain that is usually dull and constant, while HURTS are more intense and sharp. Both terms refer to physical pain, which can be caused by a variety of things such as muscle strain, joint inflammation, or even an injury. In some cases, the pain can be so severe that it can interfere with daily activities. Regardless of the cause, both terms refer to physical discomfort that can be quite unpleasant.