Какая разница между словами ache и sore?

pain 1. the feeling you have when part of your body hurts. 2. a feeling of being very upset or unhappy ache 1 a continuous pain that is not sharp or very strong. 2 to want very much to do or have something, especially when it is impossible. 3 to have a strong unhappy feeling pain/ ache - в 1-2 значении не вижу различия.